UPSC Mains 2021 Geography Optional Question Papers with Model Answers
All 55 questions of the 2021 Civil Services Main Examination, Geography Paper I and Geography Paper II, with marks and a suggested time per part. Solve each part on paper first, then open the model answer, or send it to answer-writing practice for evaluation.
UPSC Mains 2021 Geography Paper I
Question 1 (50 marks)
Q1(a) · Geomorphic Processes and Landscape Development · 10 marks≈ 7 min
Denudation Chronology, Erosion Surfaces and Slope Development
Describe the concept of 'Altiplanation'.
हिंदी में प्रश्न
उच्चस्थ समतलन (अल्टीप्लेनेसन) अवधारणा का वर्णन कीजिए।
Model answer
Paper and question: Paper I, Q1(a)
Approach: Define altiplanation (Eakin) and its synonym cryoplanation, explain the nivation–solifluction mechanism and resulting terraces, give examples and significance; sketch altiplanation terraces.
Altiplanation, a term used by H.M. Eakin (1916) for features in interior Alaska, is the formation of terrace-like benches and summit flats on hills in periglacial regions by frost action and mass movement. It is now usually called cryoplanation.
Mechanism: snow patches lodge at breaks of slope; repeated freeze–thaw under and around them (nivation) shatters the rock of the riser, so the scarp retreats. The debris is carried across the gently sloping tread by solifluction and sheetwash. As risers retreat, treads widen and may coalesce into a summit flat that cuts across rock structure.
Features: a staircase of treads, usually gently inclined, separated by steeper risers, with block fields and tors on the flats.
Diagram: Hill profile with stepped cryoplanation terraces, snow patches at the foot of risers and solifluction arrows across the treads.
Examples: Alaska and the Yukon, Siberia and the Urals; relict terraces are reported in formerly periglacial uplands of Europe.
Significance: altiplanation shows that planation can occur in cold climates without rivers, and it is a key mechanism in Peltier’s periglacial cycle, although the rate and climatic limits of the process are still debated.Q1(b) · Climatology: Atmosphere and Circulation · 10 marks≈ 7 min
Atmospheric Stability, Air Masses and Frontogenesis
What are the important factors responsible for airmass modifications?
हिंदी में प्रश्न
वायु संहति रूपान्तरण हेतु उत्तरदायी महत्त्वपूर्ण कारक क्या हैं?
Model answer
Paper and question: Paper I, Q1(b)
Approach: Define air mass modification and list the factors (thermal, moisture, dynamic, and time and track), each with an example. Draw a sketch of cP air crossing the Great Lakes to show lake-effect snow.
Air mass modification is the change in the temperature, moisture and stability of an air mass after it leaves its source region and moves over a different surface.
Thermal factors: an air mass colder than the surface it crosses (k type) is heated from below and becomes unstable, with cumulus and showers; one warmer than the surface (w type) is cooled from below, becomes stable and gives fog or stratus. Warm mT air over the cold Grand Banks of Newfoundland gives advection fog.
Moisture factors: evaporation over water adds moisture, as when cP air crosses the Great Lakes or the Sea of Japan and drops heavy snow; precipitation over mountains removes it.
Diagram: Cold, dry cP air crossing a warm lake, picking up heat and moisture, rising and dropping snow on the downwind shore.
Dynamic factors: forced ascent over mountains, convergence and frontal lifting cause cooling and instability; subsidence and divergence warm and dry the air, as in foehn winds.
Time and track: the longer the journey and the greater the surface contrast, the more complete the modification.
Modification therefore explains why the same air mass gives different weather in different places.Q1(c) · Oceanography · 10 marks≈ 7 min
Temperature, Salinity, Heat and Salt Budgets
Discuss the hazards associated with rise of sea-surface temperature.
हिंदी में प्रश्न
सागर-सतह के तापमान में वृद्धि से सम्बन्धित संकटों की विवेचना कीजिए।
Model answer
Paper and question: Paper I, Q1(c)
Approach: Explain briefly why sea-surface temperature is rising, then discuss its hazards one by one with Indian and world examples; draw a flow diagram linking SST rise to hazards.
The oceans have absorbed over 90 per cent of the excess heat trapped by greenhouse gases (IPCC AR6, 2021), so sea-surface temperature (SST) is rising, the Indian Ocean faster than the global average.
Stronger cyclones: warmer water supplies more latent heat, favouring rapid intensification; the Arabian Sea has seen more severe cyclones, such as Ockhi (2017) and Tauktae (2021).
Marine heatwaves and bleaching: long hot spells, like the north-east Pacific 'Blob' (2013–16), cause mass coral bleaching, as on the Great Barrier Reef and in the Gulf of Mannar.
Sea-level rise: thermal expansion raises sea level, worsening flooding and erosion in the Sundarbans and Maldives.
Fisheries: fish shift poleward or deeper; the oil sardine has spread northward along India's west coast. Warmer water holds less oxygen, enlarging dead zones and algal blooms.
Weather extremes: SST anomalies drive El Niño and the Indian Ocean Dipole, bringing droughts and floods.
Diagram: Flow chart: greenhouse gases → ocean heat uptake → SST rise → cyclones, bleaching, sea-level rise, fish migration, deoxygenation, monsoon extremes.
Emission cuts, early warning, marine protected areas and resilient coastal planning can reduce these risks.Q1(d) · Biogeography · 10 marks≈ 7 min
World Distribution of Plants and Animals; Gene Pool Centres
Gene pool centres are 'Good Hope' for biodiversity conservation. Elucidate.
हिंदी में प्रश्न
जीन कोश केन्द्र जैवविविधिता संरक्षण के लिये 'अच्छी आशा' हैं। स्पष्ट कीजिए।
Model answer
Paper and question: Paper I, Q1(d)
Approach: Explain gene pool centres after Vavilov, show why their genetic diversity is a hope for crops and biodiversity with examples, and note in situ and ex situ conservation; draw a world map of Vavilov’s centres.
Gene pool centres are regions where crop plants were first domesticated and where their wild relatives and traditional varieties still show the greatest genetic diversity. N.I. Vavilov, in work from 1926 to the 1930s, identified eight such centres, including the Hindustan centre, home of rice, sugarcane, pigeon pea, mango and brinjal.
They are a ‘good hope’ because this diversity holds genes for resistance to pests, disease, drought and salinity. When grassy stunt virus hit Asian rice in the 1970s, resistance was found in the wild rice Oryza nivara collected in India and bred into IRRI varieties.
Map: World map marking Vavilov’s eight centres: China, Hindustan (with Indo-Malayan), Central Asia, Near East, Mediterranean, Abyssinia, South Mexico–Central America and South America.
Conservation works in two ways: in situ, as in the Nokrek area of the Garo Hills, protected for wild citrus, and ex situ in the National Gene Bank of ICAR-NBPGR, New Delhi, and the Svalbard Global Seed Vault (2008).
As monocultures replace local varieties, protecting these centres keeps future food security and adaptation to climate change possible.Q1(e) · Environmental Geography · 10 marks≈ 7 min
Biodiversity and Sustainable Development
Describe how ecosystem services of Himalaya are essential for Highland-Lowland sustainability in Asia.
हिंदी में प्रश्न
एशिया में उच्चभूमि-निम्नभूमि की स्थिरता के लिये हिमालय की पारिस्थितिकीय सेवायें कैसे जरुरी हैं, वर्णन कीजिए।
Model answer
Paper and question: Paper I, Q1(e)
Approach: Define ecosystem services and classify Himalayan services (provisioning, regulating, supporting, cultural), then show highland-lowland interdependence with the Himalayan degradation debate and conclude; draw a map of the Himalaya and its rivers flowing to the plains.
The Himalaya, the 'water tower of Asia', feeds the Indus, Ganga and Brahmaputra. Its ecosystem services, the benefits people obtain from ecosystems (Millennium Ecosystem Assessment, 2005), link highlands and lowlands.
Provisioning: glacier and snow melt sustain dry-season flow and irrigation in the Indo-Gangetic plains; hydropower, timber, fodder and medicinal plants support mountain and plain economies.
Regulating: the ranges block cold Central Asian winds and force the monsoon to shed its rain over the plains; forests and wetlands store carbon, regulate floods and hold soil.
Supporting: Himalayan sediment built the fertile alluvium of the Indo-Gangetic and Brahmaputra plains and the Sundarbans delta; the Eastern Himalaya is a biodiversity hotspot. Cultural: pilgrimage to Kailash, Badrinath and Kedarnath, and mountain tourism.
Map: Outline map of South Asia showing the Himalayan arc, major glaciers (Siachen, Gangotri) and the Indus, Ganga and Brahmaputra flowing to the plains and the Bay of Bengal and Arabian Sea.
Highland-lowland interdependence cuts both ways. The 'Theory of Himalayan Environmental Degradation', which blamed lowland floods on hill deforestation, was challenged by Ives and Messerli in The Himalayan Dilemma (1989); today glacier retreat threatens dry-season flows. Sustainability needs payment for ecosystem services and basin-wide cooperation.
Question 2 (50 marks)
Q2(a) · The Earth's Interior and Tectonics · 20 marks≈ 14 min
Plate Tectonics and Mountain Building
The concept of Plate tectonics has been derived from the isostasy and continental drift theory. Elaborate citing suitable examples.
हिंदी में प्रश्न
प्लेट विवर्तनिकी की संकल्पना, समस्थिति और महाद्वीपीय अपवाह सिद्धान्त (ड्रिफ्ट थ्योरी) से लिया गया है। उपयुक्त उदाहरण देते हुये विस्तार से बताइये।
Model answer
Paper and question: Paper I, Q2(a)
Approach: Elaborate how isostasy (light crust floating on a yielding substratum) and continental drift (horizontal movement of continents) fed into sea-floor spreading and plate tectonics; cite examples for each link and close with what plate tectonics added; include a diagram.
Plate tectonics, formulated in 1965–68, holds that rigid lithospheric plates move over a weak asthenosphere. It did not arise suddenly; it combined two older ideas, isostasy, which explains vertical balance, and continental drift, which proposed horizontal movement.
Isostasy: Pratt and Airy (1855) explained the smaller-than-expected gravitational pull of the Himalaya. Airy proposed that mountains have deep roots of light crust floating in denser material, like icebergs; Pratt proposed differences in density. Both implied that the crust floats on a substratum that yields slowly. Post-glacial rebound of Fennoscandia and Hudson Bay, still rising after ice melted, proved the mantle flows over long periods.
Contribution: if the crust floats and the substratum can flow, continents can also move sideways. This weak layer is today's asthenosphere, over which plates glide, and isostatic adjustment explains why oceanic plates subside as they cool away from ridges.
Continental drift: Wegener (1915) used isostasy to argue that light sial floats on dense sima and can drift. His evidence, the fit of Atlantic coasts, Glossopteris flora across India, Africa, South America, Antarctica and Australia, Gondwana glacial deposits and matching mountain belts, established that continents were once joined.
Contribution: drift gave plate tectonics the idea of large horizontal movement and a supercontinent, Pangaea. Its weakness, the absence of a force, was overcome by Holmes' convection currents, Hess's sea-floor spreading (1962) and palaeomagnetic evidence.
Diagram: Flow chart: isostasy (floating crust, yielding mantle) and drift (moving continents) joined by convection and sea-floor spreading, leading to plate tectonics.
Plate tectonics went further: oceans as well as continents move, the lithosphere rather than the crust is the moving layer, and boundaries explain the belts of earthquakes, volcanoes and mountains such as the Himalaya. Thus it is the synthesis of isostasy and drift, enriched by ocean-floor evidence.Q2(b) · Oceanography · 15 marks≈ 11 min
Ocean Bottom Topography and Ocean Deposits
Give a detailed account of bottom topography of the Pacific Ocean.
हिंदी में प्रश्न
प्रशान्त महासागर की तली स्थलाकृति का विस्तार से वर्णन कीजिये।
Model answer
Paper and question: Paper I, Q2(b)
Approach: Give an organised account of the Pacific floor: shelves and marginal seas, trenches and island arcs, the East Pacific Rise, basins, seamounts and guyots, with a tectonic explanation; draw a map of the Pacific showing trenches, the rise and seamount chains.
The Pacific is the largest and deepest ocean, covering about a third of the earth's surface. Its floor is bordered almost everywhere by subduction zones, the Ring of Fire, which controls its relief.
Shelves and marginal seas: the shelf is narrow along the Americas but broad in the west, where marginal seas (Bering, Okhotsk, Japan, East China, South China, Coral) lie behind island arcs.
Trenches and island arcs: it has the most and deepest trenches: the Mariana Trench with the Challenger Deep (nearly 11,000 m), and the Tonga, Kermadec, Kuril–Kamchatka, Japan, Aleutian and Peru–Chile trenches, with arcs such as Japan and the Philippines on their landward side.
East Pacific Rise: the main spreading ridge lies off-centre towards the east; it is broad, low and fast-spreading, with branches such as the Galápagos Rift and the Juan de Fuca Ridge.
Basins: fracture zones (Mendocino, Clarion, Clipperton) divide the floor into large basins. Abyssal plains are smaller than in the Atlantic because trenches trap sediment; red clay and manganese nodules, as in the Clarion–Clipperton Zone, cover much of it.
Seamounts and guyots: the Pacific has the largest number, with hotspot chains like the Hawaiian–Emperor chain and coral atolls on sunken volcanoes (Marshall Islands, Tuamotu).
Map: Outline of the Pacific marking the ring of trenches, the East Pacific Rise, the Hawaiian–Emperor chain, marginal seas and the Clarion–Clipperton Zone.
The Pacific is thus a shrinking ocean, consumed at its edges faster than it grows at its ridge, which explains its trenches, volcanoes and earthquakes.Q2(c) · Biogeography · 15 marks≈ 11 min
Soil Erosion, Degradation and Conservation
Soil erosion and soil degradation are threat to food supply. Discuss.
हिंदी में प्रश्न
मृदा अपरदन तथा मृदा निम्नीकरण खाद्य आपूर्ति में खतरा हैं। विवेचना कीजिए।
Model answer
Paper and question: Paper I, Q2(c)
Approach: Define erosion and degradation, explain the routes by which each cuts food supply with Indian and world evidence, and end with remedies; draw a cause–effect flow chart.
Soil erosion is the physical removal of topsoil by water and wind; soil degradation is the wider decline in soil quality through erosion, salinisation, waterlogging, acidification, compaction and nutrient loss. Since about 95% of food comes directly or indirectly from soil (an FAO estimate), both threaten food supply.
Scale: the ISRO Desertification and Land Degradation Atlas (2021) found about 97.8 million ha, nearly 30% of India’s area, degraded in 2018–19, with water erosion the leading process. The FAO Status of the World’s Soil Resources (2015) judged about a third of global soils moderately to highly degraded.
How food supply suffers: loss of fertile topsoil lowers yields and raises fertiliser needs; salinity and waterlogging in canal commands of Punjab, Haryana and the Indira Gandhi Canal area reduce cropping; overuse of urea and declining organic carbon have flattened yield growth in the Green Revolution belt; silt fills reservoirs and tanks, cutting irrigation.
Abroad, degradation in the Sahel worsened the famines of the 1970s and 1980s, and Haiti’s eroded hills cannot feed their people.
Diagram: Flow chart: deforestation, overgrazing, faulty irrigation and overuse of chemicals → erosion and degradation → lower yields, higher costs, silted reservoirs → food insecurity.
Remedies include watershed management, balanced fertiliser use guided by Soil Health Cards, organic and natural farming, and land restoration under India’s Bonn Challenge pledge of 26 million ha by 2030. Healthy soil is the first line of food security.
Question 3 (50 marks)
Q3(a) · Climatology: Weather Systems, Climates and Climate Change · 20 marks≈ 14 min
Precipitation and the Hydrological Cycle
Examine major influencing factors for varied patterns of precipitations on the continents.
हिंदी में प्रश्न
महाद्वीपों पर वर्षण के विविध प्रतिरूपों को प्रभावित करने वाले प्रमुख कारकों का परीक्षण कीजिए।
Model answer
Paper and question: Paper I, Q3(a)
Approach: Examine the factors behind the uneven distribution of precipitation over continents (latitude and pressure belts, winds, distance from sea, ocean currents, relief, monsoons and cyclones, local factors) with named regions for each, ending with an integrated view; add a world map of rainfall zones.
Precipitation over continents ranges from almost nil in the Atacama to over 11,000 mm a year at Mawsynram in Meghalaya. This variety arises because rain needs moist air and a mechanism to lift it, and both are unevenly distributed.
(1) Latitude and pressure belts: the rising air of the Inter-Tropical Convergence Zone gives heavy convectional rain in the Amazon and Congo basins, while the sinking air of the subtropical highs creates the great deserts near the tropics: the Sahara, Arabia, Thar and Kalahari.
(2) Prevailing winds: onshore winds bring rain, as the westerlies do to the west coasts of Europe, British Columbia and southern Chile between 40° and 60°; offshore trade winds leave the western sides of continents dry in low latitudes.
(3) Continentality: interiors far from the sea, such as Central Asia, the Gobi and the Great Basin, receive little moisture.
(4) Ocean currents: cold currents chill and stabilise coastal air, producing fog but little rain along the Atacama (Humboldt Current) and Namib (Benguela Current), while warm currents add moisture to eastern coasts such as south-east USA and Brazil.
(5) Relief: mountains force orographic rain on windward slopes and leave rain shadows, as in the Western Ghats versus the Deccan interior, the Khasi Hills, and Patagonia east of the Andes.
(6) Monsoons and cyclones: seasonal wind reversal gives South and South-East Asia most of their rain in summer, while mid-latitude cyclones add frontal rain. (7) Local factors and teleconnections such as ENSO modify totals from year to year.
Map: World map showing zones of heavy rainfall (equatorial, monsoon, windward west coasts), deserts on western margins near the tropics and dry continental interiors.
These factors act together: the Thar is dry because of subtropical subsidence, the Aravallis lying parallel to the monsoon winds and distance from moisture.Q3(b) · Oceanography · 15 marks≈ 11 min
Law of the Sea and Marine Pollution
Maritime security is being neglected. Indicate the major challenges and suggest solutions in the context of Law of the Sea.
हिंदी में प्रश्न
सामुद्रिक सुरक्षा की उपेक्षा हो रही है। प्रमुख चुनौतियों को इंगित कीजिए और समुद्र नियम के संदर्भ में उपाय सुझाइये।
Model answer
Paper and question: Paper I, Q3(b)
Approach: Explain why maritime security matters and why it is neglected, list the major challenges with examples, then suggest solutions rooted in UNCLOS and regional cooperation, including India's initiatives; draw a map of the Indian Ocean marking chokepoints and piracy zones.
About 80 per cent of world trade by volume moves by sea (UNCTAD), yet maritime security gets less attention than land security because the oceans are vast, jurisdiction is divided into zones under UNCLOS (1982), and the high seas lie beyond any single state's control.
Challenges: piracy and armed robbery (Gulf of Aden and Somali coast, Gulf of Guinea, Strait of Malacca); maritime terrorism, as in the 2008 Mumbai attacks by sea; smuggling of drugs, arms and people; illegal, unreported and unregulated fishing; and territorial disputes and militarisation, as in the South China Sea, where China rejected the 2016 arbitral award in favour of the Philippines.
Gaps in the law: UNCLOS defines piracy only on the high seas, offers weak enforcement, and does not address cyber threats to ports and ships or security of undersea cables. Environmental threats such as oil spills also cross boundaries.
Solutions: strengthen regional cooperation, information-sharing and joint patrols, as through the Djibouti Code of Conduct (2009), ReCAAP in Asia and India's Information Fusion Centre–Indian Ocean Region (2018); respect arbitral rulings and freedom of navigation; build coastal states' capacity, in line with India's SAGAR vision (2015); and update legal frameworks, as India's Maritime Anti-Piracy Act, 2022.
Map: Indian Ocean showing the Strait of Hormuz, Bab-el-Mandeb, Malacca Strait, Gulf of Aden piracy zone, major sea lanes and the IFC-IOR at Gurugram.
Maritime security is a shared global good that needs collective, rules-based action under the Law of the Sea.Q3(c) · Climatology: Weather Systems, Climates and Climate Change · 15 marks≈ 11 min
Global Climate Change, Applied and Urban Climatology
Explaining the concept of carbon neutrality, describe the measures taken by carbon positive and negative nations.
हिंदी में प्रश्न
कार्बन तटस्थता अवधारणा की व्याख्या करते हुये, कार्बन धनात्मक और ऋणात्मक राष्ट्रों द्वारा किये गये उपायों का वर्णन कीजिये।
Model answer
Paper and question: Paper I, Q3(c)
Approach: Explain carbon neutrality (and carbon negative), clarify what 'carbon positive' and 'carbon negative' nations mean, then describe measures taken by net-emitting nations and by carbon-negative nations such as Bhutan and Suriname; include a simple balance diagram.
Carbon neutrality is a state in which carbon dioxide emissions are balanced by removals through sinks such as forests or by technology, so net emissions are zero. A country that removes more than it emits is carbon negative; one whose emissions exceed removals is a net emitter, here called carbon positive (some campaigns use 'carbon positive' in the opposite sense, so the meaning should be stated).
Carbon-positive nations, the large emitters such as China, the USA, the EU states and India, have taken these measures: net-zero targets (EU and UK 2050, China 2060, India 2070); carbon pricing through emission trading schemes (EU ETS since 2005); rapid expansion of solar and wind power; phase-down of coal and electric mobility; energy-efficiency standards; afforestation; and green hydrogen and carbon capture. India has added the International Solar Alliance and its 2022 NDC targets.
Carbon-negative nations: Bhutan's constitution requires at least 60% of land to remain under forest, and forests cover about 70%; it exports hydropower to India, displacing fossil electricity, and pledged in 2009 to stay carbon neutral. Suriname, with over 90% forest cover, also absorbs more than it emits. Their measures centre on protecting forests, clean hydropower and low-impact development.
Diagram: A balance scale with emissions on one side and removals (forests, oceans, technology) on the other, showing positive, neutral and negative states.
Small carbon-negative states show what forest protection can achieve, but global neutrality depends on deep cuts by the big emitters, supported by climate finance for developing countries.
Question 4 (50 marks)
Q4(a) · Environmental Geography · 20 marks≈ 14 min
Principles of Ecology and Human Ecological Adaptations
With suitable examples, elaborate human ecological adaptations. Explain its impacts on ecology and environment in various parts of the world.
हिंदी में प्रश्न
मानव के पारिस्थितिकीय अनुकूलनों का उपयुक्त उदाहरणों सहित विस्तृत विवरण दीजिए। विश्व के विभिन्न भागों में पारिस्थितिकी एवं पर्यावरण पर इसके प्रभावों की व्याख्या कीजिए।
Model answer
Paper and question: Paper I, Q4(a)
Approach: Define human ecological adaptation, explain its types (physiological, cultural-technological, economic) with examples from different environments, then assess positive and negative impacts on ecology in different parts of the world. A world map of adaptation examples supports the answer.
Human ecological adaptation is the process by which human groups adjust their bodies, technology, economy and social organisation to the opportunities and constraints of their environment. Humans adapt mainly through culture, as Vidal de la Blache's idea of 'genre de vie' (way of life) stresses.
Physiological adaptation: Andean and Tibetan highlanders show large chest capacity and efficient oxygen use; Tibetans carry a variant of the EPAS1 gene linked to life in thin air. Inuit have stocky bodies that conserve heat, while tall, slender Nilotic peoples shed heat in hot savannas.
Cultural and technological adaptation: the Inuit igloo, fur clothing and kayak; the loose robes and tents of the Bedouin; thick-walled mud houses of Rajasthan with small windows; the kuhls of Himachal and zabo farming of Nagaland for water.
Economic adaptation: transhumance of the Gaddis and Bakarwals in the Himalaya, nomadic herding of the Maasai and Mongols, jhum in the Northeast, terrace farming in the Ifugao rice terraces of the Philippines and in Uttarakhand.
Map: World outline marking the Arctic (Inuit), Sahara and Arabia (Bedouin, oases), East African savanna (Maasai), Andes and Tibet (high-altitude groups), Himalaya (Gaddis) and Southeast Asian terraces.
Positive impacts: traditional adaptations were often sustainable: rotational grazing let pastures recover, long jhum cycles of 15–20 years allowed forest regrowth, sacred groves conserved biodiversity, and johads in Alwar recharged groundwater.
Negative impacts appear when population, markets or technology change. Shortened jhum cycles cause soil erosion in Meghalaya and Mizoram; overgrazing and drought contributed to desertification in the Sahel in the 1970s and 1980s; irrigation adaptation dried the Aral Sea; tube-well irrigation lowered water tables in Punjab.
Thus adaptation is a two-way, changing relationship. When cultural adaptation respects carrying capacity it sustains ecosystems; when it is replaced by short-term technological control it degrades them; hence traditional knowledge now informs conservation planning.Q4(b) · Geomorphic Processes and Landscape Development · 15 marks≈ 11 min
Channel Morphology and Fluvial Landforms
Stream basins and drainage divides are important components to delineate a watershed area. Explain.
हिंदी में प्रश्न
जलसंभर क्षेत्र के निरूपण में सरिता बेसिन और अपवाह विभाजक महत्वपूर्ण अवयव हैं। व्याख्या कीजिए।
Model answer
Paper and question: Paper I, Q4(b)
Approach: Define watershed, stream basin and drainage divide, explain how basins (stream ordering, hierarchy) and divides (ridge lines, pour points) are used to delineate watersheds manually and in GIS, then give planning uses and limitations with Indian examples; draw a basin map with divide and stream orders.
A watershed is the area that drains all its runoff to a common outlet. It is defined by two components: the stream basin, the network of channels that collects the water, and the drainage divide (water parting), the ridge line separating flow into neighbouring basins.
Role of the stream basin: the outlet or pour point fixes the watershed; stream ordering (R.E. Horton, 1945; A.N. Strahler, 1952) creates a nested hierarchy, so a large basin divides into sub-basins, watersheds, sub-watersheds and micro-watersheds. The All India Soil and Land Use Survey’s Watershed Atlas of India uses such a hierarchical coding.
Role of the divide: the boundary is traced from the outlet along the highest ground, cutting contours at right angles, until it closes. In GIS, a DEM is used to compute flow direction and flow accumulation, and the divide emerges where flow diverges.
Uses: morphometric parameters (bifurcation ratio, drainage density, form factor) guide treatment priorities; the Integrated Watershed Management Programme (2009–10), now the watershed component of PMKSY (2015), plans soil and water conservation by micro-watershed, as in successes like Ralegan Siddhi and Sukhomajri.
Diagram: Basin map showing the divide as a dashed line, Strahler stream orders 1–3, the pour point and sub-watershed boundaries.
Limitations: divides are indistinct on flat plains, plateaus and karst, shift by headward erosion and stream piracy, and groundwater may cross them. Still, basins and divides together give the natural unit for land and water planning.Q4(c) · Climatology: Atmosphere and Circulation · 15 marks≈ 11 min
Atmospheric Stability, Air Masses and Frontogenesis
Indicating the causes of lightning, describe the threats associated with it.
हिंदी में प्रश्न
तड़ित् (लाइटनिंग) के कारणों को इंगित करते हुये, इससे सम्बन्धित खतरों का वर्णन कीजिए।
Model answer
Paper and question: Paper I, Q4(c)
Approach: First indicate the causes of lightning (charge separation in cumulonimbus and discharge), then describe the threats to life, property, infrastructure and ecosystems with Indian data and examples, ending with mitigation. Draw the charge structure of a thundercloud with discharge types.
Lightning is a giant electrical discharge within a cumulonimbus cloud, between clouds, or between a cloud and the ground. It heats the air channel to tens of thousands of degrees, and the explosive expansion of air produces thunder.
Causes: strong updraughts in a thundercloud carry water droplets above the freezing level. In the mixed-phase zone, roughly between −10°C and −20°C, collisions between graupel (soft hail) and ice crystals transfer charge: lighter, positively charged ice crystals are carried to the top, while heavier, negatively charged graupel stays in the middle. This charge separation builds a huge potential difference, and when it overcomes the insulating air a discharge occurs. The exact charging mechanism is still debated.
Diagram: Cumulonimbus with + charge at the anvil top, − charge in the middle, a small + area at the base, induced + charge on the ground, and arrows for intra-cloud, cloud-to-cloud and cloud-to-ground strokes.
Threats: (i) loss of life: NCRB's Accidental Deaths and Suicides in India reports lightning as the largest killer among natural causes, roughly 2,500–3,000 deaths a year recently, mostly farmers and labourers in open fields in Odisha, Jharkhand, Bihar, West Bengal and Madhya Pradesh; (ii) livestock deaths; (iii) damage to power lines, transformers, telecom and electronics; (iv) hazards to aviation; (v) forest fires, a major cause of wildfires in the boreal forests of Canada and Siberia.
Mitigation: early warning through IITM Pune's Damini app, lightning arresters on buildings, and safe behaviour such as avoiding open fields and tall trees.
Since some studies suggest warming may increase lightning, local warning systems are becoming essential.
Question 5 (50 marks)
Q5(a) · Perspectives in Human Geography · 10 marks≈ 7 min
Radical, Behavioural, Humanistic and Welfare Approaches
The interrelationships between social and spatial structure are complex. Explain in the context of socio-spatial dialectic.
हिंदी में प्रश्न
सामाजिक एवं स्थानिक संरचना के मध्य अन्तःसम्बन्ध जटिल हैं। सामाजिक-स्थानिक द्वन्द्व के सन्दर्भ में व्याख्या कीजिए।
Model answer
Paper and question: Paper I, Q5(a)
Approach: Define the socio-spatial dialectic (Edward Soja), explain the two-way relation between society and space with examples, and conclude on its significance.
The socio-spatial dialectic is a concept developed by Edward Soja (1980), building on Henri Lefebvre's idea of the production of space. It holds that social relations and spatial structures shape each other continuously: society produces space, and space in turn conditions social life.
Society to space: class, caste, race and capital produce segregated residential areas, central business districts, slums and gated communities. Caste-based settlement segregation in Indian villages, with Dalit hamlets on the margins, is a clear example.
Space to society: once built, these spaces shape opportunities. Slum residents in Dharavi face poor access to schools and formal jobs, which reproduces poverty; peripheral resettlement colonies in Delhi increase commuting costs. Spatial structure is thus not a passive container but an active force.
Diagram: Circular diagram with 'social relations' and 'spatial structure' linked by two arrows (produces, conditions), with examples on each arrow.
The relation is complex because it involves feedback, history and power at several scales. The concept underpins ideas of spatial justice and the right to the city.Q5(b) · Economic Geography · 10 marks≈ 7 min
World Resources, Energy Crisis and the Limits to Growth
How is energy transition seen as an instrument for achieving zero carbon by 2050?
हिंदी में प्रश्न
सन् 2050 तक शून्य कार्बन को प्राप्त करने हेतु ऊर्जा संक्रमण को एक साधन के रूप में कैसे देखा जाता है?
Model answer
Paper and question: Paper I, Q5(b)
Approach: Define energy transition and net zero, explain the pillars by which transition delivers zero carbon by 2050 (IEA roadmap), give examples including India, and note challenges.
Energy transition is the structural shift from fossil fuels to low-carbon energy systems. The IPCC's Special Report on 1.5°C (2018) showed that limiting warming to 1.5°C requires global net-zero carbon dioxide emissions around 2050; the IEA's Net Zero by 2050 roadmap (2021) set out the path.
Instruments: (i) renewables, mainly solar and wind, replacing coal power; (ii) electrification of transport, heating and industry; (iii) energy efficiency; (iv) green hydrogen for steel, fertiliser and shipping; (v) carbon capture, utilisation and storage, and nature-based sinks; (vi) phasing down unabated coal, as agreed at Glasgow (2021).
Examples: the EU's Green Deal and the UK's legal net-zero target; China's massive solar build-out; India's net-zero target of 2070, 500 GW of non-fossil capacity by 2030 and the National Green Hydrogen Mission (2023).
Diagram: Wedge diagram showing emissions falling to zero by 2050, with wedges for renewables, efficiency, electrification, hydrogen and CCUS.
Challenges include finance for developing countries, critical minerals, grid storage and a just transition for coal regions such as Jharkhand.Q5(c) · Economic Geography · 10 marks≈ 7 min
World Agriculture: Typology, Inputs and Productivity
Protected cultivation assists in healthier and a larger produce. Justify with examples.
हिंदी में प्रश्न
संरक्षित कृषि स्वस्थ और बृहद् उत्पाद में सहायता करती है। उदाहरण के साथ सही सिद्ध कीजिए।
Model answer
Paper and question: Paper I, Q5(c)
Approach: Define protected cultivation and its types, justify the claim with benefits for yield and quality, give world and Indian examples, and note constraints.
Protected cultivation is the growing of crops in a modified micro-climate that shields them from adverse weather, pests and diseases. Its forms include greenhouses and polyhouses, shade-net houses, walk-in and low tunnels, plastic mulching and hydroponic units, usually combined with drip irrigation and fertigation.
Larger produce: controlled temperature, humidity, light and carbon dioxide extend the growing season and allow off-season and multiple crops; yields of tomato, capsicum and cucumber are several times those of open fields. Healthier produce: physical barriers cut pest attack and pesticide use, and precise nutrition improves quality and shelf life.
Examples: the Netherlands' Westland greenhouses make it a leading vegetable exporter; Almeria in Spain is a sea of plastic houses; in India, polyhouse vegetables and flowers flourish around Pune, Bengaluru and in Himachal Pradesh, supported by the Mission for Integrated Development of Horticulture and Indo-Israel Centres of Excellence such as Gharaunda (Karnal).
Diagram: Cross-section of a naturally ventilated polyhouse showing UV-stabilised film, side vents, insect net, drip lines and raised beds.
Constraints are high initial cost, technical skill and plastic waste, so subsidies, training and farmer producer organisations are needed.Q5(d) · Regional Planning · 10 marks≈ 7 min
Regional Imbalances and Development Strategies
Explain the processes of contagion and hierarchical diffusion in addressing regional imbalances.
हिंदी में प्रश्न
प्रादेशिक विषमता संबोधन हेतु संसर्ग एवं पदानुक्रमीय विसरण प्रक्रियाओं की व्याख्या कीजिए।
Model answer
Paper and question: Paper I, Q5(d)
Approach: Define contagious and hierarchical diffusion (Hagerstrand), show with examples how each spreads development, and explain their use in reducing regional imbalances.
Torsten Hagerstrand's work on spatial diffusion of innovations (1953) showed that development spreads from centres through two main processes of expansion diffusion.
Contagious diffusion spreads through direct contact, from neighbour to neighbour, so adoption declines with distance from the source, like ripples in a pond. Example: high-yielding varieties spread from progressive farmers in Ludhiana to surrounding villages in Punjab and Haryana; drip irrigation spread among neighbouring farmers in Jalgaon.
Hierarchical diffusion spreads down the urban hierarchy, from large cities to smaller towns and then villages, skipping intervening rural areas. Examples: mobile telephony, banking, internet and organised retail reached metros first, then district towns, then villages.
Diagram: Two panels: concentric ripples around a source (contagious) and a pyramid of city, town and village with jumping arrows (hierarchical).
For regional imbalance, planners combine both: growth centres and small towns act as relay points for hierarchical spread, while extension services, SHGs and demonstration farms promote contagious spread within lagging hinterlands.Q5(e) · Models, Theories and Laws in Human Geography · 10 marks≈ 7 min
Central Place Theories of Christaller and Losch
Examine the relevance of Central Place Theory of Christaller in the present context.
हिंदी में प्रश्न
वर्तमान काल के सन्दर्भ में क्रीस्टालर के केन्द्रस्थल सिद्धान्त की प्रासंगिकता का परीक्षण कीजिए।
Model answer
Paper and question: Paper I, Q5(e)
Approach: Recall Christaller's theory briefly, then examine its present relevance (planning, retail, service location, India's settlement hierarchy) and the factors reducing it, and conclude.
Walter Christaller's central place theory (1933) explains the number, size and spacing of settlements as service centres, using threshold, range, hexagonal market areas and hierarchies based on marketing (k = 3), traffic (k = 4) and administrative (k = 7) principles.
Present relevance: (i) planning of service hierarchies: the location of schools, primary health centres, community health centres and district hospitals in India follows a population-based hierarchy; (ii) growth centre planning, rural service centres and the Rurban Mission use central place ideas; (iii) retail geography: hierarchies of neighbourhood shops, district centres and regional malls, and site selection by firms; (iv) new towns, such as the Dutch polders and Israel's Lachish region, were laid out on central place lines; (v) the plains of north India still show broadly regular spacing of villages and market towns.
Diagram: Christaller's k = 3 hexagons beside a sketch of India's health-care hierarchy (sub-centre, PHC, CHC, district hospital).
Limits today: motorisation, e-commerce, multi-purpose trips and global networks weaken distance-based hierarchies, and real landscapes are not isotropic. The theory remains relevant as a planning framework, not a literal description.
Question 6 (50 marks)
Q6(a) · Population Geography · 20 marks≈ 14 min
Migration: Causes and Consequences
Development-induced displacement poses serious challenges. Mention its causes, consequences and solutions.
हिंदी में प्रश्न
विकास-जनित विस्थापन गम्भीर चुनौतियों को प्रस्तुत करता है। इसके कारणों, परिणामों एवं समाधानों का उल्लेख कीजिए।
Model answer
Paper and question: Paper I, Q6(a)
Approach: Define development-induced displacement, give its scale and causes (dams, mines, industry, urban projects), analyse consequences with Cernea's impoverishment risks model and Indian cases, then give legal and policy solutions.
Development-induced displacement is the forced movement of people from their land and homes to make way for development projects. In India, Walter Fernandes estimated that some 60 million people were displaced or affected between 1947 and 2004, a large share of them Adivasis and Dalits, and only a minority were properly resettled.
Causes: (i) large dams and reservoirs: Hirakud, Bhakra, Tehri, Sardar Sarovar on the Narmada and Polavaram on the Godavari; (ii) mining, especially coal, iron ore and bauxite in Jharkhand, Odisha and Chhattisgarh; (iii) industrial projects and SEZs, such as the Singur and Nandigram controversies (2006-07); (iv) highways, ports and airports; (v) urban renewal, slum clearance and beautification; (vi) protected areas that relocate forest dwellers.
Consequences: Michael Cernea's impoverishment risks and reconstruction model identifies eight risks: landlessness, joblessness, homelessness, marginalisation, food insecurity, increased morbidity, loss of access to common property, and social disarticulation. Tribal communities lose forests, culture and identity; women lose livelihoods based on commons; compensation is often delayed or inadequate; and conflicts and movements arise, such as the Narmada Bachao Andolan.
Map: Outline map of India marking Sardar Sarovar, Tehri, Hirakud, Polavaram, the Singrauli coalfield, the Niyamgiri hills and Singur.
Solutions: the Right to Fair Compensation and Transparency in Land Acquisition, Rehabilitation and Resettlement Act, 2013, which requires social impact assessment, consent of a majority of affected families for private and PPP projects, compensation up to four times market value in rural areas, and rehabilitation packages; the Forest Rights Act (2006) and PESA (1996) with gram sabha consent, as upheld in the Niyamgiri judgment (2013); the World Commission on Dams' recommendations (2000); land-for-land, benefit-sharing and job guarantees; minimising displacement through project design.
Development need not mean dispossession. Treating displaced people as project partners and first beneficiaries is the way to reconcile growth with justice.Q6(b) · Economic Geography · 15 marks≈ 11 min
Food Security, Nutrition and Famine
Describe the role of accessibility and affordability in food security of developing world.
हिंदी में प्रश्न
विकासशील विश्व की खाद्य सुरक्षा में अभिगम्यता और सामर्थ्य की भूमिका का वर्णन कीजिए।
Model answer
Paper and question: Paper I, Q6(b)
Approach: Place accessibility and affordability within the four pillars, explain physical and economic access with Sen's entitlement idea, give developing-world and Indian examples, and suggest measures.
Food security rests on availability, access, utilisation and stability. In the developing world the binding constraint is usually not availability but access: Amartya Sen showed in Poverty and Famines (1981) that people starve because they lack entitlement to food, not because food is absent.
Physical accessibility: remote and conflict-affected areas lack roads, markets and storage. Tribal hamlets of central India, hill villages of the North-east, the interior Sahel and blockaded zones such as Gaza and parts of Sudan face food shortages even when national stocks are high. Post-harvest losses and weak cold chains reduce supply further.
Economic accessibility or affordability: the poor spend a large share of income on food, so price spikes, unemployment and inflation push them into hunger. FAO estimates in recent SOFI reports have found that billions of people cannot afford a healthy diet, most of them in South Asia and Africa. Low wages of landless labourers, debt and gender inequality worsen the problem.
Diagram: Four-pillar diagram (availability, access, utilisation, stability) with access split into physical (roads, markets, PDS shops) and economic (income, prices, safety nets).
Measures: India's National Food Security Act (2013) gives subsidised grain to up to 75 per cent of rural and 50 per cent of urban people, and free grain has been provided since 2023 under PMGKAY; One Nation One Ration Card adds portability; MGNREGA supports incomes; Brazil's Bolsa Familia and Ethiopia's Productive Safety Net offer models. Better rural roads, storage and women's incomes are equally vital.Q6(c) · Regional Planning · 15 marks≈ 11 min
Environmental Issues and Planning for Sustainable Development
The environmental issues are not adequately addressed in the regional planning. Comment.
हिंदी में प्रश्न
प्रादेशिक नियोजन में पर्यावरणीय मुद्दों को पर्याप्त रूप से सम्बोधित नहीं किया जाता है। टिप्पणी कीजिए।
Model answer
Paper and question: Paper I, Q6(c)
Approach: Explain why environment should be integral to regional planning, show with Indian examples how it has been neglected (sectoral, growth-first planning, weak EIA), and comment on recent improvements and what more is needed.
Regional planning should integrate economic growth, social equity and environmental sustainability within a territory. In practice, Indian regional planning has been growth-first and sectoral, treating environment as an afterthought.
Evidence of neglect: (i) industrial and mining regions such as the Damodar valley, Singrauli and the Korba-Raigarh belt suffer air and water pollution and land degradation; (ii) river-valley projects displaced people and submerged forests (Sardar Sarovar, Tehri); (iii) Himalayan road and hydropower expansion ignored slope stability, contributing to disasters at Kedarnath (2013) and Joshimath (2023); (iv) urban regions encroached on wetlands and floodplains (Chennai 2015 floods); (v) project-wise Environmental Impact Assessment (EIA Notification 2006) assesses projects one by one, missing cumulative regional impacts, and is often diluted.
Positive steps: watershed and river-basin approaches (Integrated Watershed Management Programme), agro-climatic regional planning (1988), eco-sensitive zones around protected areas, the debate on the Gadgil (2011) and Kasturirangan (2013) reports for the Western Ghats, carrying-capacity studies for hill towns, and the National Mission for Sustaining the Himalayan Ecosystem.
Map: Outline map of India marking Singrauli, the Damodar valley, Joshimath, the Western Ghats eco-sensitive zone and Chennai's wetlands.
Needed: strategic environmental assessment at the regional level, carrying-capacity-based zoning, ecosystem accounting and community participation. Thus the comment is largely valid, though awareness is improving.
Question 7 (50 marks)
Q7(a) · Regional Planning · 20 marks≈ 14 min
Concept of Region, Types of Regions and Regionalisation
Suggest criteria, indicators and techniques for delimitation of formal regions.
हिंदी में प्रश्न
औपचारिक प्रदेशों के सीमांकन के मानकों, सूचकों तथा तकनीकों को सुझाएं।
Model answer
Paper and question: Paper I, Q7(a)
Approach: Define formal regions, then set out criteria, indicators and techniques of delimitation in three blocks with examples, add a diagram of the process, and note limitations.
A formal region (uniform or homogeneous region) is an area within which one or more selected characteristics are relatively uniform, distinguishing it from neighbouring areas. Examples are climatic regions, crop regions, linguistic regions and levels-of-development regions.
Criteria: the purpose of regionalisation decides the criteria. They may be single-feature (rainfall, a crop, a language) or multiple-feature (agro-climatic conditions, socio-economic development). Good criteria are relevant, measurable, available for uniform areal units and stable over time; the scale (state, district, block) must also be chosen.
Indicators: physical (relief, rainfall, temperature, soils, vegetation cover); agricultural (cropping intensity, irrigation, yields, crop combinations); demographic (density, literacy, sex ratio, urbanisation); economic (per capita income, industrial employment, infrastructure); and social (health, poverty, caste and tribe composition).
Techniques: (i) superimposition or overlay of isopleth and choropleth maps, the traditional method, now done in GIS; (ii) single-feature thresholds, such as Koppen's temperature and rainfall limits; (iii) composite indices: ranking, z-scores and weighted indices of development; (iv) crop combination methods of Weaver (1954), Doi and Rafiullah; (v) multivariate methods: principal component and factor analysis to reduce many indicators, followed by cluster analysis to group areal units; (vi) remote sensing classification of land cover.
Diagram: Flow chart: purpose → choice of criteria → selection of indicators for areal units → standardisation → composite index or factor analysis → clustering → mapped formal regions, with a small overlay sketch showing core areas and transition zones.
Limitations: boundaries are zones of transition rather than lines; results depend on the indicators and weights chosen; and data are tied to administrative units. Combining statistical rigour with field knowledge yields the most meaningful formal regions.Q7(b) · Models, Theories and Laws in Human Geography · 15 marks≈ 11 min
Heartland and Rimland Theories; Boundaries and Frontiers
Boundaries are important in geopolitics. Explain. What issues develop from the inclusionary and exclusionary aspects of borders?
हिंदी में प्रश्न
भूराजनीति में सीमायें महत्त्वपूर्ण हैं, व्याख्या कीजिए। सीमाओं के समावेशी एवं अपवर्जी पहलू से क्या मुद्दे विकसित होते हैं?
Model answer
Paper and question: Paper I, Q7(b)
Approach: Explain the importance of boundaries in geopolitics (functions), then discuss issues arising from their inclusionary and exclusionary aspects (citizenship, migration, enclaves, divided communities, walls, refugees) with examples.
A boundary is the legal line marking the limit of a state's territory and sovereignty. In geopolitics boundaries matter because they define the territorial state, the basic unit of the international system.
Functions: they delimit jurisdiction, defence and security; control movement of people and goods; regulate trade through customs; define resource rights, including maritime zones under UNCLOS; and express national identity. Disputes over boundaries, such as India-China along the Line of Actual Control, India-Pakistan in Kashmir, and Russia-Ukraine, remain major sources of conflict.
Inclusionary aspects: boundaries create a 'we', granting citizenship, rights and welfare to those inside; regional groupings such as the EU's Schengen area soften internal borders for members. Issues: questions of who belongs, as in debates over citizenship registers in Assam; treatment of minorities; and pressure to assimilate.
Exclusionary aspects: boundaries keep 'others' out. Issues: refugees and stateless people such as the Rohingya; walls and fences (US-Mexico, India-Bangladesh fencing); divided ethnic groups, such as Pashtuns across the Durand Line and Kurds across four states; enclaves, such as the India-Bangladesh enclaves resolved by the Land Boundary Agreement (2015); disrupted livelihoods of border communities and nomads; smuggling and trafficking.
Map: Sketch of South Asia marking the LAC, the Line of Control, the Durand Line, the India-Bangladesh border with former enclaves and the Rohingya flow to Cox's Bazar.
Hence boundaries both protect and divide; cooperative border management, soft borders and respect for human rights reduce their exclusionary costs.Q7(c) · Settlement Geography · 15 marks≈ 11 min
Urban Hierarchy, Primate City and Rank-size Rule
Small number of mega cities are playing key role in organisation of global economics and culture. Explain.
हिंदी में प्रश्न
वैश्विक आर्थिक तंत्र एवं संस्कृति के संगठन में कुछ विशाल (मेगा) शहर प्रमुख भूमिका निभा रहे हैं। व्याख्या कीजिए।
Model answer
Paper and question: Paper I, Q7(c)
Approach: Introduce megacities and global cities (Friedmann, Sassen), explain how a few command global finance, corporate control, innovation and culture, give examples and evidence, and note the inequalities and counter-trends.
Megacities are urban agglomerations of 10 million or more people; the UN counted 33 in 2018. A smaller set, the global cities, organise the world economy: John Friedmann's world city hypothesis (1986) and Saskia Sassen's The Global City (1991) identified New York, London and Tokyo as command centres, and the GaWC network (Peter Taylor) ranks cities by their advanced producer services.
Economic organisation: these cities host stock exchanges, headquarters of transnational corporations, global banks, law, accounting and consulting firms. London and New York dominate foreign exchange and capital markets; Tokyo, Shanghai, Hong Kong and Singapore lead in Asia; Mumbai is India's financial capital, home to the RBI, SEBI and major exchanges. They control global value chains spread across thousands of factories elsewhere.
Cultural organisation: Los Angeles (Hollywood), Mumbai (Bollywood), Seoul (K-pop), Paris and Milan (fashion) and New York (media and art) set global tastes; they are hubs of universities, airports and migrants, producing cosmopolitan cultures.
Map: World map of alpha global cities linked by lines of air traffic and financial flows: New York, London, Tokyo, Paris, Singapore, Hong Kong, Shanghai, Dubai, Mumbai.
Concerns: such concentration widens inequality between and within cities (Sassen's dual city), and remote work and secondary cities are a partial counter-trend. Still, a handful of megacities remain the nerve centres of globalisation.
Question 8 (50 marks)
Q8(a) · Perspectives in Human Geography · 20 marks≈ 14 min
Radical, Behavioural, Humanistic and Welfare Approaches
Why is radicalism seen as a major paradigm shift in geography? Explain its causes, approaches and criticism.
हिंदी में प्रश्न
भूगोल में प्रमुख प्रतिमान बदलाव के रूप में अतिवाद को क्यों देखा जाता है? इसके कारणों, उपागमों तथा आलोचनाओं की व्याख्या कीजिए।
Model answer
Paper and question: Paper I, Q8(a)
Approach: Show why radicalism is a paradigm shift (Kuhn), explain its causes, its approaches (Marxist, anarchist, later feminist and welfare strands) and give a balanced criticism.
In Thomas Kuhn's terms, a paradigm shift occurs when an accepted framework fails to solve pressing problems and is replaced by a new one. Radical geography, from the late 1960s, replaced the positivist spatial science of the quantitative revolution with a critical, value-committed geography.
Why it is a paradigm shift: it changed the questions (from 'where' and 'how much' to 'why' and 'for whom'), the explanation (from distance and location to the capitalist mode of production and class), the philosophy (from positivism to historical materialism), and the purpose (from description to social change).
Causes: (i) the Vietnam war, civil rights movement and urban riots in the USA; (ii) persistent poverty and hunger in the Third World despite growth; (iii) the failure of quantitative models to address inequality; (iv) the influence of Marxist thinkers and the student movements of 1968; (v) a search for relevance in geography.
Approaches: the Marxist approach of David Harvey (Social Justice and the City, 1973) explained urban land markets and uneven development; the anarchist tradition revived Kropotkin and Reclus; Bunge's Detroit Geographical Expedition practised activist fieldwork; welfare geography (D.M. Smith) measured inequality; feminist geography (Janice Monk, Susan Hanson) and dependency and world-systems ideas (Frank, Wallerstein) broadened it.
Diagram: Kuhnian cycle: normal science (spatial science) → anomalies (poverty, racism, war) → crisis → radical paradigm → new normal science, with dates 1953-1973.
Criticism: it was economically deterministic and reduced culture and individual agency to class; it was strong in critique but weak in practical alternatives; its jargon limited its reach; and the collapse of socialist economies after 1989 weakened its appeal. Humanists accused it of neglecting meaning and experience.
Nonetheless, radicalism changed geography permanently: concepts like uneven development, spatial justice and political ecology are now mainstream, and Indian studies of displacement, land acquisition and slum eviction draw on it.Q8(b) · Population Geography · 15 marks≈ 11 min
Population Problems, Policies, Well-being and Social Capital
Aging population has adverse social and economic consequences. Explain with examples.
हिंदी में प्रश्न
वृद्ध होती आबादी के प्रतिकूल सामाजिक एवं आर्थिक परिणाम होते हैं। उदाहरणों के साथ व्याख्या कीजिए।
Model answer
Paper and question: Paper I, Q8(b)
Approach: Define population ageing and its causes, then explain adverse social and economic consequences with examples from Japan, Europe, China and India, and add responses.
Population ageing is the rising share of older people (usually 65 and above) in a population, caused by falling fertility and rising life expectancy in the late stages of the demographic transition. Japan, with close to 30 per cent aged 65 and above, is the most aged large country; Italy, Germany and South Korea follow, and China is ageing fast.
Economic consequences: (i) a shrinking workforce and labour shortages, as in Japan's care and construction sectors; (ii) a rising old-age dependency ratio, straining pensions and public finances; Japan's government debt is above 200 per cent of GDP, partly because of social security costs; (iii) higher health and long-term care spending; (iv) lower savings, consumption and growth, and pressure on innovation.
Social consequences: loneliness and isolation, such as the 'kodokushi' (lonely deaths) phenomenon in Japan; a care burden falling mainly on women; depopulated villages in rural Japan and southern Italy; and intergenerational tensions over resources.
Diagram: Population pyramid of Japan (inverted) with a line graph of the old-age dependency ratio rising from 1990 to 2050.
India, though younger, will have about 20 per cent of its population aged 60 and above by 2050 (UNFPA, 2023), with weak pension coverage. Responses include raising the retirement age, encouraging women's and older people's work, immigration, automation, and expanding pensions and geriatric care.Q8(c) · Models, Theories and Laws in Human Geography · 15 marks≈ 11 min
Von Thunen, Weber, Perroux-Boudeville and Rostow
Present a critical account of Alfred Weber Theory of industrial location.
हिंदी में प्रश्न
ऐल्फ्रेड वेबर के औद्योगिक अवस्थिति के सिद्धान्त का समालोचनात्मक विवरण प्रस्तुत कीजिए।
Model answer
Paper and question: Paper I, Q8(c)
Approach: Present Weber's least-cost theory (assumptions, transport orientation via locational triangle and material index, labour and agglomeration deviations), with a diagram, then critically evaluate it with examples and later modifications.
Alfred Weber, in Über den Standort der Industrien (1909), proposed that industry locates at the point of least cost. Assumptions: an isolated, uniform country; fixed locations of raw materials and markets; labour available at fixed places at fixed wages; transport costs proportional to weight and distance; and rational producers.
Transport orientation: in the locational triangle of two material sources and one market, the least transport-cost point depends on the material index (weight of localised materials divided by weight of the product). An index above 1 (weight-losing, as in iron and steel or sugar) pulls industry to raw materials; below 1 (weight-gaining, as in beverages) pulls it to the market; ubiquitous materials favour market location.
Deviations: industry moves to a cheap-labour site if labour savings exceed extra transport cost, the site lying within the critical isodapane; agglomeration economies can similarly pull firms together.
Diagram: Locational triangle with two raw material sources (M1, M2), market (C) and least-cost point P, plus isodapanes around P and a cheap-labour point L inside the critical isodapane.
Critique: (i) static and partial, considering only costs and ignoring demand and revenue, as Losch argued; (ii) transport costs are not linear and are now a small share for many industries; (iii) labour is mobile; (iv) government policy, subsidies and SEZs often decide location, as with India's steel plants at Bhilai and Rourkela; (v) behavioural factors and imperfect knowledge matter (Pred).
Still, the theory explains raw-material oriented industries such as the Chota Nagpur steel belt and sugar mills in cane areas.
UPSC Mains 2021 Geography Paper II
Question 1 (50 marks)
Q1(a) · Places for the Map Question · 20 marks≈ 14 min
How to Prepare the Map Question
On the outline map of India provided to you, mark the location of all the following. Write in your QCA Booklet the significance of these locations whether physical/commercial/economic/ecological/environmental/cultural:
(i) Ziro Valley
(ii) Khecheopalri Lake
(iii) Toranmal
(iv) Subarnarekha River
(v) Koderma
(vi) Sir Creek
(vii) Periyar Wildlife Sanctuary
(viii) Peechi Dam
(ix) Digha Beach
(x) Pamban Islandहिंदी में प्रश्न
आपको दिए गए भारत के रेखामानचित्र पर निम्नलिखित सभी की स्थिति को अंकित कीजिए। अपनी क्यू० सी० ए० पुस्तिका में इन स्थानों में से प्रत्येक का भौतिक/वाणिज्यिक/आर्थिक/पारिस्थितिक/पर्यावरणीय/सांस्कृतिक महत्त्व लिखिए:
(i) जीरो घाटी
(ii) खेचेओपलरी झील
(iii) तोरणमाल
(iv) सुवर्णरेखा नदी
(v) कोडरमा
(vi) सर क्रीक
(vii) पेरियार वन्यजीव अभयारण्य
(viii) पीची डैम
(ix) दीघा बीच
(x) पम्बन द्वीपModel answer
Paper and question: Paper II, Q1(a)
Approach: Plot the ten places on the outline map of India with dots and labels (rivers drawn as lines from source to mouth); write each place's location and a 30-word significance.
(i) Ziro Valley: Valley in Lower Subansiri district, Arunachal Pradesh (about 27.6°N, 93.8°E), at about 1,500 m. Home of the Apatani tribe, whose wet-rice-cum-fish farming without draught animals is a model of sustainable land use; on UNESCO's tentative list and host of the Ziro Music Festival.
(ii) Khecheopalri Lake: Sacred lake in Gyalshing (West Sikkim) district, Sikkim (about 27.3°N, 88.2°E), near Pelling, at about 1,700 m. Revered by Buddhists and Hindus as a ‘wishing lake’; kept leaf-free by birds, according to belief; an example of community-managed sacred landscape.
(iii) Toranmal: Plateau hill station of about 1,150 m in the Satpura range, Nandurbar district, Maharashtra (about 21.9°N, 74.5°E). Has Yashwant Lake, the Gorakhnath temple and Sita Khai valley; a Bhil tribal area with tourism potential and the cooler climate of the Satpura summit.
(iv) Subarnarekha River: Rises near Nagri, Ranchi district, Jharkhand, and flows east through Jharkhand, West Bengal and Odisha to the Bay of Bengal near Talsari. Forms Hundru falls; the Chandil and Getalsud dams serve Jamshedpur and Ranchi; ‘streak of gold’ for its gold-bearing sands.
(v) Koderma: District in northern Jharkhand (about 24.5°N, 85.6°E), on the Hazaribagh plateau. Once called the ‘mica capital of the world’ for its rich muscovite mica belt (Koderma–Giridih); child labour in illegal mica collection is a concern; Tilaiya dam of the DVC lies nearby.
(vi) Sir Creek: A 96 km tidal estuary in the marshes of the Rann of Kutch between Gujarat and Sindh (Pakistan), about 23.7°N, 68.4°E. The boundary along it is disputed (thalweg versus eastern bank claims), which affects maritime boundaries and the EEZ; rich fishing grounds and possible hydrocarbons.
(vii) Periyar Wildlife Sanctuary: Thekkady, Idukki district, Kerala (about 9.5°N, 77.2°E), in the Cardamom and Pandalam hills of the Western Ghats around the Mullaperiyar reservoir. Tiger reserve since 1978, known for elephants and community eco-development (ex-poachers as guides); source of the Periyar river.
(viii) Peechi Dam: Dam on the Manali river, a tributary of the Karuvannur, in Thrissur district, Kerala (about 10.5°N, 76.4°E), built in the 1950s. Supplies irrigation and drinking water to Thrissur; adjoining Peechi–Vazhani Wildlife Sanctuary and the Kerala Forest Research Institute.
(ix) Digha Beach: Seaside resort in Purba Medinipur district, West Bengal (about 21.6°N, 87.5°E), on the Bay of Bengal near the Odisha border. A flat, shallow beach; West Bengal's most visited coastal resort; Jagannath temple opened 2025; faces coastal erosion and cyclone risk.
(x) Pamban Island: Island between the Gulf of Mannar and Palk Bay, Ramanathapuram district, Tamil Nadu (about 9.3°N, 79.3°E), carrying Rameswaram. Linked to the mainland by the Pamban rail bridge (new vertical-lift bridge opened April 2025); start of Adam's Bridge towards Sri Lanka; Ramanathaswamy pilgrimage.Q1(b) · Political Aspects · 10 marks≈ 7 min
India's Role in World Affairs; Geopolitics of South Asia and the Indian Ocean
Discuss the geo-political impact of bilateral relationship between India and Bhutan.
हिंदी में प्रश्न
भारत और भूटान के बीच द्विपक्षीय संबंध के भू-राजनीतिक प्रभाव की विवेचना कीजिए।
Model answer
Paper and question: Paper II, Q1(b)
Approach: Discuss the geopolitical impact of India–Bhutan ties: buffer location, treaty framework, hydropower, Doklam and China's boundary talks, connectivity; sketch map of Bhutan with the Chumbi valley and Siliguri corridor.
Bhutan, a landlocked Himalayan kingdom between Tibet and India, is a buffer state that overlooks the Siliguri corridor; its 699 km border with India touches Sikkim, West Bengal, Assam and Arunachal Pradesh.
Treaty and security: the 1949 treaty, revised in 2007, removed India's role of 'guiding' foreign policy but kept close security cooperation; the Indian Military Training Team trains Bhutan's army.
Hydropower: Indian-built projects such as Chukha, Tala and Mangdechhu export power to India and form a large share of Bhutan's revenue, creating economic interdependence.
China factor: the Doklam standoff (2017) showed how China–Bhutan boundary claims affect India's security; Bhutan and China signed a three-step roadmap MoU on boundary talks in October 2021.
Diagram: Sketch of Bhutan showing the Chumbi valley, Doklam, the Siliguri corridor and the Gelephu–Kokrajhar rail link.
Connectivity such as the planned Gelephu–Kokrajhar rail link and support for the Gelephu Mindfulness City keep Bhutan India's closest partner in the Himalaya.Q1(c) · India: Physical Setting II · 10 marks≈ 7 min
Natural Vegetation and Soils of India
Discuss the economic significance of volcanic soils of India.
हिंदी में प्रश्न
भारत की ज्वालामुखीय मिट्टियों के आर्थिक महत्त्व की विवेचना कीजिए।
Model answer
Paper and question: Paper II, Q1(c)
Approach: Identify India's volcanic soils as the black (regur) soils of the Deccan Trap, give their properties and distribution, then their economic significance for agriculture and allied activities. Draw a map of black soil areas.
India's volcanic soils are the black or regur soils formed by weathering of the Deccan Trap basalts. They cover roughly one-sixth of the country in Maharashtra, western Madhya Pradesh, Gujarat (Saurashtra), northern Karnataka and Telangana.
Properties: fine, clayey and rich in montmorillonite, they retain moisture for long periods, swell when wet and crack when dry ('self-ploughing'). They are rich in lime, iron, magnesium and potash but poor in nitrogen, phosphorus and organic matter.
Economic significance: (i) the core of India's cotton belt, with Gujarat and Maharashtra the leading producers, which historically gave rise to the Mumbai and Ahmedabad textile industry; (ii) soybean in Madhya Pradesh and Maharashtra, making the region India's oilseed bowl; (iii) rain-fed jowar, tur and gram, and wheat in Malwa; (iv) sugarcane, Nashik grapes and Nagpur oranges where irrigated, supporting sugar cooperatives and agro-processing.
Limitations: stickiness makes ploughing hard, and the soils are prone to waterlogging and salinity under heavy irrigation.
Map: Outline map of India shading the black soil region of the Deccan plateau and Malwa, with Nagpur, Nashik and Akola marked.
With balanced fertilisers and drip irrigation these soils remain central to dryland prosperity.Q1(d) · Industry in India · 10 marks≈ 7 min
Location of Major Industries
Give a reasoned account of difference between sugar industry of North and Peninsular India.
हिंदी में प्रश्न
उत्तरी और प्रायद्वीपीय भारत के चीनी उद्योग के बीच अन्तर का तर्क सहित वर्णन कीजिए।
Model answer
Paper and question: Paper II, Q1(d)
Approach: Compare the sugar industry of the north (Uttar Pradesh, Bihar, Punjab, Haryana) and the Peninsula (Maharashtra, Karnataka, Tamil Nadu, Andhra Pradesh) point by point, explaining each difference geographically. Draw a map of sugar belts.
Sugar mills locate near cane fields because cane is bulky, perishable and loses sucrose quickly after cutting, a classic weight-losing raw material in Weber's terms. Yet the industry differs between the north and the Peninsula.
Climate and cane quality: the tropical Peninsula, with no frost and a long growing season, produces cane with higher sucrose content and yield, whereas northern subtropical cane faces cold winters and hot, dry summers.
Crushing season: it is longer in the Peninsula (often about six months) than in the north (about four to five months), so southern mills use capacity better.
Mill size and age: the north has many older mills established in colonial times, while Peninsular mills are generally newer and larger, although Uttar Pradesh has modernised and is now a leading sugar producer.
Ownership: Maharashtra's industry is dominated by cooperative mills, while the north has more private and state mills.
Location: nearness to ports helps Peninsular mills export.
Map: Map of India showing the northern sugar belt (western and eastern Uttar Pradesh, north Bihar) and the Peninsular belt (western Maharashtra, north Karnataka, Tamil Nadu).
Both regions now face water stress and need drip irrigation.
Question 2 (50 marks)
Q2(a) · Contemporary Issues · 20 marks≈ 14 min
Environmental Hazards and Disaster Management in India
Landslide is a major problem in Himalayan region. Discuss its causes and mitigation measures.
हिंदी में प्रश्न
हिमालयी क्षेत्र में भूस्खलन एक बड़ी समस्या है। इसके कारणों एवं अल्पीकरण के उपायों की विवेचना कीजिए।
Model answer
Paper and question: Paper II, Q2(a)
Approach: Define landslides, classify their natural and human causes in the Himalaya with recent cases, then give structural and non-structural mitigation; draw a map of landslide-prone zones.
A landslide is the downslope movement of rock, debris or earth under gravity when shear stress exceeds the shear strength of slope material. The NRSC Landslide Atlas of India (2023) mapped about 80,000 landslides between 1998 and 2022, with about 66.5% in the North-West Himalaya and 18.8% in the North-East Himalaya.
Geological causes: the Himalaya is a young fold mountain still rising as the Indian plate pushes north; thrust zones such as the Main Central Thrust and Main Boundary Thrust have crushed, jointed rocks; frequent earthquakes (Zones IV and V) loosen slopes.
Climatic causes: intense monsoon rain and cloudbursts saturate soil and raise pore-water pressure, as in Kedarnath (2013) and Himachal Pradesh (2023); freeze–thaw at high altitude and glacier retreat expose unstable moraines.
Human causes: road widening by unscientific cutting and blasting (Char Dham road), hydropower tunnels, deforestation, unplanned towns on old landslide debris, as in the Joshimath subsidence of January 2023.
Structural mitigation: retaining walls, rock bolting, wire-mesh and shotcrete, surface and sub-surface drainage, check dams on torrents and bio-engineering with grasses and bamboo.
Non-structural mitigation: the GSI's national landslide susceptibility mapping, the NDMA National Landslide Risk Management Strategy (2019), rainfall-threshold early warning, building codes and carrying-capacity limits for hill towns, and slope zoning to keep settlement off unstable slopes.
Map: Outline map of India shading the landslide-prone Himalayan arc from Jammu and Kashmir to Arunachal Pradesh and the Western Ghats, marking Kedarnath, Joshimath, Malin (Pune) and Wayanad.
Since the Himalaya cannot be made stable, the goal is to live safely with it: eco-sensitive road design, local early warning and enforcement of zoning, linked to climate adaptation.Q2(b) · India: Physical Setting II · 15 marks≈ 11 min
Tropical Cyclones, Western Disturbances, Floods and Droughts
Appraise why drought is one of the most common climatic extremes in India.
हिंदी में प्रश्न
क्यों सूखा भारत में सबसे आम जलवायु चरम विषमताओं में से एक है? मूल्यांकन कीजिए।
Model answer
Paper and question: Paper II, Q2(b)
Approach: Define drought and its types, then appraise the climatic, physical and human reasons that make it so common in India, with data and examples, ending with management. Draw a map of drought-prone areas.
Drought is a prolonged deficiency of water relative to normal, classified as meteorological (rainfall deficit), hydrological (falling surface and groundwater) and agricultural (soil moisture too low for crops). NDMA's drought guidelines (2010) note that about 68% of India's cultivated area is vulnerable to drought.
Climatic reasons: about three-quarters of annual rain falls in four monsoon months, so a delayed onset, long break or early withdrawal causes shortage; high variability (over 25% in western Rajasthan and Gujarat); and El Niño years (2002, 2009, 2015) that cut rainfall nationally.
Physical reasons: rain-shadow areas east of the Western Ghats (Marathwada, Rayalaseema, north interior Karnataka); hard-rock aquifers of the Deccan with low storage; high temperatures and evaporation; and sandy soils in the Thar.
Human reasons: about half the net sown area is rain-fed; groundwater over-extraction in Punjab, Haryana and Rajasthan; water-intensive crops such as sugarcane in Marathwada; and degraded watersheds.
Management: the Manual for Drought Management (2016, updated 2020), watershed development, micro-irrigation, crop diversification, PM Fasal Bima Yojana and MGNREGS relief.
Map: Map of India shading chronically drought-prone areas: western Rajasthan, Kutch, Marathwada, Rayalaseema, interior Karnataka and Bundelkhand.
Drought is thus common because a variable monsoon meets vulnerable land and water use, so mitigation must address both.Q2(c) · Contemporary Issues · 15 marks≈ 11 min
Linking of Rivers, Sustainable Development and Globalisation
Discuss the ecological and economic challenges of river linking in India.
हिंदी में प्रश्न
भारत में नदी जोड़ने की पारिस्थितिक और आर्थिक चुनौतियों की विवेचना कीजिए।
Model answer
Paper and question: Paper II, Q2(c)
Approach: Briefly introduce the ILR programme, then discuss its ecological and economic challenges separately with named links (Ken–Betwa, Himalayan links, Par–Tapi–Narmada) and end with a balanced view; draw the ILR map.
The Interlinking of Rivers (ILR) programme, based on the National Perspective Plan (1980), proposes 30 links (14 Himalayan, 16 peninsular) to move water from ‘surplus’ to ‘deficit’ basins; the Ken–Betwa link, whose foundation stone was laid at Khajuraho on 25 December 2024, is the first under construction.
Ecological challenges: submergence of forests and wildlife habitat, such as part of the Panna Tiger Reserve under the Daudhan dam; reduced flow and sediment to deltas, raising salinity and erosion in the Sundarbans and the Krishna–Godavari delta; mixing of fish and invasive species between basins; waterlogging and salinity in new command areas; and seismic risk for large Himalayan dams.
Economic challenges: very high cost (Ken–Betwa alone is estimated at about ₹44,605 crore); large energy needs to lift water across the Vindhyan and peninsular watersheds; long gestation and cost overruns; and resettlement of displaced, often tribal, communities, as the protests that stalled the Par–Tapi–Narmada link showed.
Institutional challenges with economic cost: water is a state subject, so disputes (Odisha questions any Mahanadi surplus) delay projects, and Himalayan links need Nepal, Bhutan and Bangladesh.
Map: Map of India showing Himalayan links as arrows from the Brahmaputra and eastern Ganga tributaries westward and peninsular links from the Mahanadi and Godavari south to the Krishna, Pennar and Cauvery, with Ken–Betwa and Panna marked.
ILR should proceed link by link after rigorous cost–benefit and environmental assessment, with cheaper options such as watershed development and efficient irrigation explored first.
Question 3 (50 marks)
Q3(a) · Resources of India · 20 marks≈ 14 min
Energy Resources and the Energy Crisis
Discuss the importance of solar energy in future economic development of India.
हिंदी में प्रश्न
भारत के भावी आर्थिक विकास में सौर ऊर्जा के महत्त्व की विवेचना कीजिए।
Model answer
Paper and question: Paper II, Q3(a)
Approach: Show India's solar potential and current status with data, then discuss its importance for future economic development (energy security, cost, jobs, rural economy, industry, climate), followed by the challenges to be overcome. Draw a map of solar insolation and solar parks.
Lying largely within the tropics, India receives about 4–7 kWh of solar energy per m² per day on roughly 250–300 clear days a year; the National Institute of Solar Energy has estimated its solar potential at about 748 GW. Installed solar capacity rose from under 3 GW in 2014 to about 165 GW by July 2026 (MNRE).
Energy security: solar reduces dependence on imported coal, oil and gas and helps meet fast-rising electricity demand, especially daytime peaks. Cheap power: auction tariffs have fallen to among the lowest in the world, making solar the cheapest source of new electricity and lowering costs for industry and households.
Rural development: PM-KUSUM (2019) solarises farm pumps and lets farmers sell surplus power, mini-grids electrify remote villages, and solar cold storage and drying reduce farm losses.
Households and cities: the PM Surya Ghar Muft Bijli Yojana (2024) aims to put rooftop solar on one crore homes, cutting electricity bills.
Industry and jobs: PLI support is building domestic module and cell manufacturing, while installation and maintenance create employment. Cheap solar also underpins green hydrogen, electric mobility and data centres.
Climate and health: solar helps meet the target of 500 GW non-fossil capacity by 2030 and net zero by 2070, and reduces air pollution from coal.
Challenges: intermittency and the need for storage, land acquisition, grid and transmission constraints, dependence on imported cells and polysilicon, DISCOM payment delays, and wildlife concerns such as the great Indian bustard in Rajasthan.
Map: Map of India showing solar insolation zones (highest in Rajasthan, Gujarat and Ladakh) with major parks at Bhadla, Khavda, Pavagada, Kurnool and Rewa.
Solar energy can thus become a pillar of India's future growth if storage, grids and domestic manufacturing keep pace.Q3(b) · Settlements in India · 15 marks≈ 11 min
Town Planning and Problems of Urbanisation
Critically examine the importance of Smart Cities Programme for solving urban problems in India.
हिंदी में प्रश्न
भारत में शहरी समस्या के समाधान के लिए स्मार्ट सिटि कार्यक्रम के महत्त्व का समालोचनात्मक विश्लेषण कीजिए।
Model answer
Paper and question: Paper II, Q3(b)
Approach: Explain the objectives, strategy and achievements of the Smart Cities Mission with data, then critically examine how far it has solved urban problems, and conclude with lessons. A map of selected smart cities helps.
The Smart Cities Mission, launched on 25 June 2015 by the Ministry of Housing and Urban Affairs, selected 100 cities through a competition to provide core infrastructure, a clean environment and a decent quality of life through 'smart solutions'.
Strategy: area-based development (retrofitting, redevelopment or greenfield) in a part of each city, plus pan-city ICT solutions, implemented by special purpose vehicles. The mission formally ended on 31 March 2025; MoHUA reported about 7,790 of 8,064 projects completed by 31 March 2026.
Importance and achievements: Integrated Command and Control Centres in all 100 cities proved useful for traffic, policing and COVID-19 tracking; projects such as Indore's waste management, Pune's cycle plan, Surat's flood warning and Bhubaneswar's town centre improved services; it encouraged data-driven governance and urban competition.
Critical examination: (i) area-based projects covered a small part of each city, deepening intra-city inequality; (ii) SPVs bypassed elected councils, weakening the 74th Amendment; (iii) emphasis on technology over basic needs such as sewerage, housing and drainage; (iv) slow progress in early years and dependence on central funds; (v) little effect on slums and the informal sector.
Map: Outline map of India marking selected smart cities such as Bhubaneswar, Pune, Surat, Indore, Jaipur and Kochi.
Thus the mission improved selected areas and governance tools but cannot alone solve urban problems; it must be integrated with AMRUT 2.0, PMAY-U and strong municipalities.Q3(c) · Industry in India · 15 marks≈ 11 min
Special Economic Zones and Tourism
Examine the significance of ecotourism in relation to socio-economic development and biodiversity conservation in India.
हिंदी में प्रश्न
भारत में सामाजिक-आर्थिक विकास एवं जैव विविधता संरक्षण के संबंध में पारिस्थितिकी पर्यटन के महत्त्व का परीक्षण कीजिए।
Model answer
Paper and question: Paper II, Q3(c)
Approach: Define ecotourism (with its principles), then examine its significance for socio-economic development and for biodiversity conservation with Indian examples, and note the risks. Draw a map of ecotourism sites.
Ecotourism is responsible travel to natural areas that conserves the environment, sustains the well-being of local people and involves interpretation and education (as defined by The International Ecotourism Society). India's protected areas, hills, coasts and tribal cultures give it great scope.
Socio-economic significance: (i) livelihoods: jobs for local guides, drivers, homestay owners and craftspeople, as in Periyar's eco-development committees and Sikkim's homestays; (ii) income diversification for remote villages with few alternatives; (iii) infrastructure: roads, communication and services follow tourism; (iv) women's empowerment through homestays and crafts; (v) cultural pride in local traditions and cuisine.
Conservation significance: (i) tourism revenue funds protected-area management and anti-poaching; (ii) local communities gain a stake in protecting wildlife, as at Periyar, where former poachers became guides; (iii) community conservation, such as Khonoma in Nagaland and Mangalajodi in Odisha, where bird hunters became bird guides; (iv) awareness among visitors builds public support for conservation.
Risks: mass tourism disguised as ecotourism can cause habitat disturbance, waste and resort construction near tiger reserves; the Supreme Court has restricted tourism in the core zones of tiger reserves.
Map: Map of India marking ecotourism sites: Periyar, Sikkim, Khonoma, Mangalajodi, Hemis (snow leopard homestays), Sundarbans and Kaziranga.
Community-based, carrying-capacity-bound ecotourism can align development with conservation.
Question 4 (50 marks)
Q4(a) · Resources of India · 20 marks≈ 14 min
Energy Resources and the Energy Crisis
Discuss the reserves, distribution and production of all varieties of coal in India.
हिंदी में प्रश्न
भारत में सभी प्रकार के कोयले के भण्डार, वितरण और उत्पादन की विवेचना कीजिए।
Model answer
Paper and question: Paper II, Q4(a)
Approach: Classify Indian coal by geological age and grade, then give reserves (GSI), distribution by coalfield and state, and production trends (Ministry of Coal) for each variety. Draw a map of coalfields and lignite fields.
Coal is India's main commercial energy source. By age it is either Gondwana coal (Permian, about 98% of reserves) or Tertiary coal and lignite; by grade it ranges from anthracite through bituminous to lignite.
Reserves: the GSI inventory (1 April 2024) puts India's total coal resources at about 389 billion tonnes, with Jharkhand, Odisha and Chhattisgarh holding roughly 70% of them, followed by West Bengal, Madhya Pradesh, Telangana and Maharashtra. Lignite resources are about 47 billion tonnes, mostly in Tamil Nadu.
Bituminous (Gondwana) coal: found in river-valley troughs: the Damodar (Jharia, Raniganj, Bokaro, Karanpura), the Son (Singrauli), the Mahanadi (Talcher, Ib valley), the Hasdeo–Mand (Korba) and the Godavari–Wardha (Singareni, Chandrapur). Coking coal, vital for steel, is concentrated in Jharia, though much of it is high in ash.
Anthracite: only small, folded deposits occur in Jammu and Kashmir (Kalakot).
Tertiary coal: young, low-ash but high-sulphur coal in Assam (Makum), Meghalaya and Arunachal Pradesh.
Lignite: brown coal of Tertiary age at Neyveli (Tamil Nadu), Kutch and Bharuch (Gujarat), and Barmer and Bikaner (Rajasthan), used mainly in pithead power plants.
Production: output crossed 1 billion tonnes for the first time in 2024–25 (about 1,048 million tonnes, Ministry of Coal), led by Odisha, Chhattisgarh and Jharkhand, with Coal India producing about three-quarters. Opencast mining dominates, and commercial auctions since 2020 have raised private output, yet coking coal is still largely imported.
Map: Map of India marking Gondwana coalfields (Jharia, Raniganj, Singrauli, Korba, Talcher, Singareni), Tertiary coal in the north-east, anthracite at Kalakot and lignite at Neyveli, Kutch and Barmer.
Coal will remain India's energy backbone for some time, but cleaner mining, washing and a just transition for coal regions are essential.Q4(b) · India: Physical Setting I · 15 marks≈ 11 min
Drainage Systems and Watersheds
Describe the salient features of east-flowing rivers of India.
हिंदी में प्रश्न
भारत की पूर्व-वाहिनी नदियों की उल्लेखनीय विशिष्टताओं का वर्णन कीजिए।
Model answer
Paper and question: Paper II, Q4(b)
Approach: Name the main east-flowing rivers and then list their salient features (source, gradient, regime, valleys, deltas, uses), explaining each by structure. Draw a map of Peninsular rivers.
The east-flowing rivers of Peninsular India drain about three-quarters of the plateau into the Bay of Bengal: the Mahanadi (about 851 km), Godavari (about 1,465 km, the largest Peninsular river), Krishna (about 1,400 km) and Kaveri (about 800 km), with smaller rivers such as the Subarnarekha, Brahmani, Pennar and Vaigai.
Source and direction: most rise in the Western Ghats close to the Arabian Sea (Godavari at Trimbakeshwar, Krishna near Mahabaleshwar, Kaveri at Talakaveri) and flow east because the plateau tilts east after the uplift of the Western Ghats; the Mahanadi rises near Sihawa in Chhattisgarh.
Valleys and gradient: flowing over old, hard rocks, they have reached a mature, graded stage with broad, shallow valleys, but fall in rapids where they cross scarps (Shivanasamudra falls on the Kaveri) and pass through gaps in the Eastern Ghats.
Regime: they are rain-fed and seasonal, with high monsoon floods and low winter flow; the Kaveri is steadier because it receives both the south-west and north-east monsoons.
Mouths: they carry heavy silt over gentle coastal plains and build fertile deltas (Mahanadi, Godavari–Krishna, Kaveri), the rice bowls of the east coast.
Uses and issues: their large basins support major projects (Hirakud, Nagarjuna Sagar, Polavaram, Mettur) and hence interstate disputes over Krishna and Kaveri waters.
Map: Outline map of Peninsular India showing the Mahanadi, Godavari, Krishna and Kaveri with their sources, deltas and main dams.
These rivers are thus the lifelines of the eastern plateau and coast, needing basin-wide cooperative management.Q4(c) · Political Aspects · 15 marks≈ 11 min
Regional Consciousness and Inter-State Issues
Critically examine the problems of inter-State border disputes in India.
हिंदी में प्रश्न
भारत में अंतरराज्यीय सीमा-विवादों की समस्याओं का समालोचनात्मक विश्लेषण कीजिए।
Model answer
Paper and question: Paper II, Q4(c)
Approach: Critically examine: classify the main inter-state border disputes with examples and causes, assess their effects, and evaluate the mechanisms and recent settlements; draw a map of disputed zones.
Inter-state border disputes arise where state lines drawn by colonial notifications or by the States Reorganisation Act, 1956 cut across linguistic, tribal or resource zones. Under Article 3 only Parliament can alter boundaries, so disputes linger for decades.
Linguistic disputes: Maharashtra claims about 865 Marathi-speaking villages including Belagavi in Karnataka; it rejected the Mahajan Commission report (1967), and the case is in the Supreme Court. Chandigarh remains claimed by both Punjab and Haryana since 1966.
Tribal and colonial-line disputes: Nagaland, Meghalaya, Mizoram and Arunachal Pradesh were carved out of Assam, and each disputes lines based on British-era notifications of 1875, 1933 and 1951. The Assam–Mizoram clash of 26 July 2021 killed six Assam policemen.
Others: the Kotia villages on the Odisha–Andhra Pradesh border, and Ladakh–Himachal Pradesh claims near Sarchu.
Problems: violence and economic blockades of highways (NH-306 to Mizoram in 2021), loss of development and voting rights in disputed villages, forest and mineral encroachment, and hardened regional consciousness.
Map: Outline map of India hatching Belagavi, Chandigarh, Kotia and the Assam boundaries with Nagaland, Meghalaya, Mizoram and Arunachal Pradesh.
Assessment: the Union has preferred negotiation to adjudication. Assam and Meghalaya settled 6 of 12 sectors (March 2022), and Assam and Arunachal Pradesh signed an MoU on 123 villages (April 2023). But Zonal Councils and the Inter-State Council meet irregularly, and court cases move slowly.
Scientific survey, consent of residents, and time-bound talks within the Zonal Councils offer the best path.
Question 5 (50 marks)
Q5(a) · Resources of India · 10 marks≈ 7 min
Forest, Wildlife, Biotic and Marine Resources and Their Conservation
Discuss the salient features of Project Tiger in India.
हिंदी में प्रश्न
भारत की बाघ परियोजना की मुख्य विशेषताओं की विवेचना कीजिए।
Model answer
Paper and question: Paper II, Q5(a)
Approach: Give the origin and aims of Project Tiger, then its salient features (reserves, core–buffer, NTCA, estimation, corridors), with results. Draw a map of tiger reserves.
Project Tiger was launched on 1 April 1973 at Corbett with nine reserves to save the tiger, whose numbers had fallen sharply because of hunting and habitat loss.
Salient features: (i) a network of tiger reserves, which has grown to 58 across 18 states (2026); (ii) a core–buffer design, with an inviolate core and a buffer for sustainable use and people's livelihoods; (iii) the National Tiger Conservation Authority, a statutory body since the 2006 amendment of the Wildlife Protection Act, with tiger conservation plans for each reserve; (iv) the All India Tiger Estimation every four years using camera traps, which counted at least 3,167 tigers in 2022 (about 75% of the world's wild tigers); (v) management effectiveness evaluation, M-STrIPES patrolling, voluntary relocation of villages and protection of corridors; (vi) international leadership through the Global Tiger Forum and the International Big Cat Alliance (2023).
Map: Map of India marking major tiger reserves (Corbett, Kanha, Bandhavgarh, Ranthambore, Sundarbans, Nagarhole, Kaziranga) and the main corridors.
Project Tiger has become a model of landscape conservation, though conflict and corridor loss remain challenges.Q5(b) · Contemporary Issues · 10 marks≈ 7 min
Environmental Hazards and Disaster Management in India
Describe the problems of cloud burst in India giving suitable examples.
हिंदी में प्रश्न
भारत में बादल फटने की समस्याओं का वर्णन उपयुक्त उदाहरणों सहित कीजिए।
Model answer
Paper and question: Paper II, Q5(b)
Approach: Define a cloudburst, explain why it occurs in Indian mountains, describe its problems with named examples and end with remedies; a sketch of orographic uplift helps.
A cloudburst is extreme, localised rainfall; IMD uses a working threshold of about 100 mm or more in an hour over a small area of roughly 20–30 km². It occurs when moist monsoon air is forced up steep slopes (orographic uplift), forming tall cumulonimbus clouds that release their water suddenly.
Problems: flash floods and debris flows in narrow valleys, landslides, destruction of roads, bridges and small hydro projects, loss of crops and pilgrim and tourist lives; forecasting is hard because the event is too small for most radars and models.
Examples: Leh (August 2010) mudflows struck a cold desert town; Kedarnath (June 2013) combined heavy rain with the Chorabari lake burst; Himachal Pradesh saw repeated cloudbursts in 2023; Dharali in Uttarkashi was buried by a flash flood in August 2025.
Diagram: Cross-section of a Himalayan valley showing moist south-westerly winds rising up the slope, a towering cumulonimbus cloud and a flash flood rushing down the narrow valley onto riverside settlements.
Remedies: Doppler weather radars in the Himalaya, nowcasting, ban on building on riverbeds and fans, and community warning systems; warming of the atmosphere may make such events more frequent.Q5(c) · Regional Development and Planning in India · 10 marks≈ 7 min
Command Area Development and Watershed Management
Discuss the role of watershed management for soil and water conservation in hilly regions of India.
हिंदी में प्रश्न
भारत के पर्वतीय क्षेत्रों में मृदा और जल संरक्षण के लिए जलविभाजन (वाटरशेड) प्रबन्धन की भूमिका की विवेचना कीजिए।
Model answer
Paper and question: Paper II, Q5(c)
Approach: Explain why hilly regions need watershed management, then list the soil and water conservation measures and named Indian hill examples, ending with gaps. Draw a hill-slope treatment sketch.
Steep slopes, heavy monsoon rain, deforestation and fragile rocks make the Himalaya, Northeast and Western Ghats prone to soil erosion, landslides and rapid runoff, while springs that supply villages are drying. Watershed management treats the whole slope as one unit.
Measures: afforestation and pasture on the ridge; contour trenches and bench terraces on slopes; gully plugs and check dams in streams; spring-shed recharge pits; agroforestry and controlled grazing.
Indian examples: Sukhomajri (Shivaliks, Haryana) cut silt in Sukhna Lake through community check dams; the Uttarakhand Decentralised Watershed Development Project (Gramya) and Himachal's Mid-Himalayan Watershed Project improved fodder and water; Sikkim's Dhara Vikas (2008) recharged springs; the zabo system of Kikruma (Nagaland) links forest catchment, ponds and terraced fields.
Diagram: hill slope showing forest on the ridge, contour trenches, bench terraces, a check dam in the stream and a recharged spring below.
Gaps: scattered land holdings, out-migration and weak maintenance; NITI Aayog (2018) noted that many Himalayan springs are drying. Springshed mapping and community institutions are needed.Q5(d) · Cultural Setting and Population of India · 10 marks≈ 7 min
Migration, Population Problems, Policies and Health Indicators
Critically examine the relevance of Ravenstein's law of population migration with reference to India.
हिंदी में प्रश्न
भारत के संदर्भ में जनसंख्या देशान्तरगमन (प्रवसन) के रैवेनूस्टीन के नियम की प्रासंगिकता का समालोचनात्मक विश्लेषण कीजिए।
Model answer
Paper and question: Paper II, Q5(d)
Approach: State Ravenstein’s laws briefly, test each important law against Indian migration evidence, then critically note where they fail and what later models add. Draw a diagram of step migration.
E.G. Ravenstein’s laws of migration (1885, 1889), based on British census data, include: most migrants move short distances; migration proceeds step by step; long-distance migrants go to large commercial centres; every stream has a counter-stream; women migrate more over short distances; and economic motives dominate.
Relevance to India: most moves are short: in Census 2001 about three-fifths of migrants moved within their own district. Women dominate short-distance flows because of marriage migration. Long-distance migrants head for Mumbai, Delhi, Kolkata and Bengaluru. Step migration from village to district town to metropolis is common, and the 2020 lockdown reverse flow illustrated the counter-stream.
Limitations: Indian migration is shaped by caste and kin networks, marriage customs, displacement by dams and conflict (Kashmiri Pandits, Sardar Sarovar oustees), and policy, which Ravenstein ignored. Circular and seasonal migration does not fit his permanent moves, and E.S. Lee’s push–pull model (1966) and network theories explain Indian flows better.
Diagram: Step migration from village to small town to city to metropolis, with a counter-stream arrow returning.
Ravenstein’s laws remain broadly relevant as descriptive generalisations, but not as a full explanation.Q5(e) · Settlements in India · 10 marks≈ 7 min
Urban Development, Morphology and Functional Classification of Indian Cities
Discuss Ashok Mitra's classification method of Indian cities.
हिंदी में प्रश्न
भारतीय शहरों की अशोक मित्र के वर्गीकरण विधि की विवेचना कीजिए।
Model answer
Paper and question: Paper II, Q5(e)
Approach: Explain the data base, procedure and classes of Asok Mitra's functional classification of Indian towns, then give a brief evaluation. A simple flow diagram of the classes helps.
Asok Mitra, Registrar General and Census Commissioner for the 1961 Census, produced the first all-India functional classification of towns using census worker data, adapting Western methods to Indian conditions.
Method: he used the 1961 Census distribution of workers among nine industrial categories. These were regrouped into three broad sectors: manufacturing (household and non-household industry), trade and transport, and services. The share of workers in each sector was computed for every town; the dominant sector gave the town its main class, and a strong second sector gave a mixed designation.
Classes: manufacturing towns (for example Jamshedpur, Bhilai, Kanpur), trade-and-transport towns (Mughalsarai, Siliguri, Kandla), service towns (administrative, educational and cantonment towns such as Shimla, Dehradun, Mhow), and mixed types such as manufacturing-cum-service or trade-cum-manufacturing.
Diagram: Flow chart: nine census worker categories → three sectors → percentage share per town → dominant sector → main class and mixed sub-classes.
Evaluation: it is simple, replicable with census data and became the basis of later Indian schemes (Qazi Ahmad, 1965). But it uses a single variable (worker share), ignores the volume of services and the informal sector, and fixed cut-offs are partly arbitrary compared with Nelson's (1955) statistical method.
Question 6 (50 marks)
Q6(a) · India: Physical Setting II · 20 marks≈ 14 min
Tropical Cyclones, Western Disturbances, Floods and Droughts
Explain the impact of tropical cyclones and western disturbances on the climate of India.
हिंदी में प्रश्न
भारतीय जलवायु पर उष्णकटिबंधीय चक्रवातों और पश्चिमी विक्षोभों के प्रभाव की व्याख्या कीजिए।
Model answer
Paper and question: Paper II, Q6(a)
Approach: Explain the origin and seasonality of tropical cyclones and western disturbances, then their separate impacts on India's temperature, rainfall, seasons and hazards, and their interaction. Draw a map of cyclone tracks and western disturbance paths.
India's climate is shaped not only by the monsoon but by two travelling weather systems: tropical cyclones from the Bay of Bengal and Arabian Sea, and western disturbances, extratropical low-pressure systems originating over the Mediterranean region and carried east by the subtropical westerly jet.
Tropical cyclones: they form over warm seas (above about 26–27°C) mainly in April–June and October–December, and the Bay of Bengal has historically produced several times more than the Arabian Sea. Impacts: very heavy rain that supplies much of the north-east monsoon rainfall of Tamil Nadu and coastal Andhra Pradesh; storm surges and winds causing disasters (Odisha super cyclone 1999, Phailin 2013, Fani 2019, Amphan 2020); and monsoon depressions that carry rain deep into central India. Arabian Sea cyclones are increasing, as with Tauktae (2021) and Biparjoy (2023), and they can delay monsoon onset.
Western disturbances: four to six affect north India each month in winter. Impacts: winter rain (mahawat) vital for rabi wheat in Punjab, Haryana and western Uttar Pradesh; snowfall that feeds Himalayan glaciers and rivers; and cold waves and dense fog after their passage. In spring and summer they cause hailstorms, thunderstorms and dust storms, as in May 2018.
Interaction: when a western disturbance meets monsoon moisture, catastrophic rain can result, as in Kedarnath in June 2013 and Himachal Pradesh in July 2023.
Map: Map of India showing typical Bay of Bengal and Arabian Sea cyclone tracks, the east-coast landfall zones, and the eastward path of western disturbances from Pakistan into Jammu and Kashmir, Punjab and the Ganga plain.
Together these systems add winter and post-monsoon rain, shape seasonal transitions and cause major hazards, so IMD's cyclone warnings, which cut deaths sharply after 1999, and better forecasting of western disturbances are both vital.Q6(b) · Resources of India · 15 marks≈ 11 min
Land, Surface Water and Groundwater Resources
Examine the critical issues of groundwater resources in India.
हिंदी में प्रश्न
भारत में भू-जल संसाधनों के महत्त्वपूर्ण मुद्दों का परीक्षण कीजिए।
Model answer
Paper and question: Paper II, Q6(b)
Approach: Give the latest status of India's groundwater with data, then examine the critical issues (over-exploitation, quality, governance, energy–agriculture nexus, climate) and the responses. Draw a map of groundwater stress.
Groundwater supplies most of India's irrigation and drinking water. The CGWB's Dynamic Ground Water Resources Assessment (2025) puts annual recharge at 448.5 billion cubic metres (bcm), extraction at 247.2 bcm and the national stage of extraction at 60.6%.
Over-exploitation: 730 of 6,762 assessment units (10.8%) are over-exploited and 201 critical, concentrated in Punjab (stage of extraction about 156%), Rajasthan (147%) and Haryana (137%), with hotspots in western Uttar Pradesh, Gujarat, Tamil Nadu and Karnataka.
Quality: geogenic arsenic in the Ganga–Brahmaputra plain, fluoride in Rajasthan and the Deccan, salinity in coastal and arid aquifers, nitrate from sewage and fertiliser, and uranium in Punjab.
Energy–agriculture nexus: free or flat-rate farm electricity and assured procurement of paddy encourage pumping; Punjab's paddy cultivation is the clearest case.
Governance: under the Easement Act (1882), groundwater is effectively attached to land ownership, extraction is largely unregulated, and data on millions of private wells is poor.
Climate and land use: erratic rain, concrete surfaces and lost wetlands reduce recharge.
Responses: the Atal Bhujal Yojana (2019) for community management, aquifer mapping (NAQUIM), Punjab's Preservation of Subsoil Water Act (2009), which delays paddy transplanting, and recharge campaigns. Recovery in several states has reduced over-exploited units from 17.2% in 2017.
Map: Map of India shading over-exploited and critical units (Punjab, Haryana, Rajasthan, western Uttar Pradesh, Tamil Nadu) and marking arsenic and fluoride belts.
Treating groundwater as a common-pool resource, with energy and crop reforms, is the key to its sustainability.Q6(c) · India: Physical Setting I · 15 marks≈ 11 min
Physiographic Regions of India
Describe the structure and relief features of Deccan Plateau.
हिंदी में प्रश्न
दक्कन के पठार की संरचना और उच्चावच लक्षणों का वर्णन कीजिए।
Model answer
Paper and question: Paper II, Q6(c)
Approach: Define the extent of the Deccan plateau, explain its structure (Deccan Trap basalts over the Archaean shield) and then describe its relief subdivisions. Draw a map and a west–east section.
The Deccan plateau is the triangular tableland south of the Narmada, bounded by the Satpura–Mahadeo–Maikal ranges in the north, the Western Ghats in the west and the Eastern Ghats in the east, sloping gently eastward.
Structure: its north-western half is formed by the Deccan Traps, horizontal flood basalts erupted at the end of the Cretaceous (around 66 million years ago) as India passed over the Réunion hotspot. Successive flows, thickest (over a kilometre) near the west coast and thinning eastward, buried the older surface. The south and east expose the Archaean shield of gneisses, granites and Dharwar schists, and the plateau was tilted east when the western margin was uplifted.
Relief: (i) the Maharashtra plateau of basalt shows step-like trap topography with flat-topped mesas and buttes and broad valleys of the Godavari, Bhima and Krishna; (ii) the Karnataka plateau rises to the Malnad hills in the west (Mullayanagiri, about 1,925 m) and falls to the rolling Maidan in the east; (iii) the Telangana plateau of granite and gneiss has tors, inselbergs and tank-dotted plains at 300–600 m.
Rivers flow east in mature valleys, and the basalt has weathered into fertile black regur soils.
Map: Outline map of the Deccan plateau with its boundaries and the Maharashtra, Karnataka and Telangana plateaus, plus a west–east section showing the Western Ghats scarp and eastward-thinning basalt.
The Deccan is thus a lava-capped ancient shield whose structure explains its relief, drainage and soils.
Question 7 (50 marks)
Q7(a) · Regional Development and Planning in India · 20 marks≈ 14 min
Integrated Rural Development, Panchayati Raj and Decentralised Planning
Critically examine how Panchayati Raj system is catalyst in decentralized planning in India.
हिंदी में प्रश्न
समालोचनात्मक विश्लेषण कीजिए कि कैसे पंचायती राज प्रणाली, भारत में विकेन्द्रीकृत योजनाओं में उत्प्रेरक है।
Model answer
Paper and question: Paper II, Q7(a)
Approach: Critically examine: first show the ways PRIs catalyse decentralised planning (mandate, GPDP, finance, examples), then the limits (three Fs gap, scheme dominance, elite capture, weak DPCs), and end with a balanced verdict. Draw a tier diagram.
Decentralised planning transfers the power to identify needs, set priorities and allocate resources to elected local bodies. The Balwantray Mehta Committee (1957) called it democratic decentralisation; the 73rd Amendment (1992) made the three-tier Panchayati Raj its constitutional instrument.
As a catalyst: (i) Article 243G and the Eleventh Schedule's 29 subjects give panchayats a planning mandate; (ii) every gram panchayat prepares a GPDP each year, and block and district panchayats prepare their own plans since 2019; (iii) the Fourteenth and Fifteenth Finance Commissions sent large grants directly to panchayats (about 2.36 lakh crore rupees for 2021–26); (iv) the Gram Sabha brings local knowledge and social audit, as in MGNREGA.
Successes: Kerala's People's Plan Campaign (1996) and Karnataka's devolution show what is possible; Ralegan Siddhi and Hiware Bazar in Maharashtra planned watersheds through Gram Sabhas; PESA (1996) and the Forest Rights Act (2006) let tribal Gram Sabhas in Gadchiroli control minor forest produce.
Limits: devolution of functions, funds and functionaries is uneven, and in many states panchayats remain implementing agents of centrally sponsored schemes with fixed guidelines; own-source revenue is tiny; District Planning Committees under Article 243ZD are often inactive; elite and male proxy capture weakens participation; technical capacity for spatial planning is low.
Regional contrast: devolution is deep in Kerala, Karnataka and Tamil Nadu but shallow in several northern and northeastern states, while Sixth Schedule areas use district councils instead of panchayats.
Diagram: three-tier pyramid (Zila Parishad, Panchayat Samiti, Gram Panchayat with the Gram Sabha at the base) feeding the District Planning Committee, with arrows for plans upward and funds downward.
PRIs are therefore a necessary but not yet sufficient catalyst. Untied funds, a cadre of local planners, active DPCs and GIS-based village plans would turn formal decentralisation into real bottom-up planning.Q7(b) · Industry in India · 15 marks≈ 11 min
Evolution of Industries and Industrial Regionalisation
Identify the major industrial corridors of India and discuss the characteristics of Bengaluru-Mumbai Corridor.
हिंदी में प्रश्न
भारत के प्रमुख औद्योगिक गलियारों की पहचान कीजिए और बेंगलुरु-मुम्बई गलियारे की विशेषताओं की विवेचना कीजिए।
Model answer
Paper and question: Paper II, Q7(b)
Approach: Explain the concept of industrial corridors and list the major corridors under the National Industrial Corridor Development Programme, then discuss the characteristics of the Bengaluru–Mumbai corridor. Draw a map of the corridors.
An industrial corridor is a linear zone of planned industrial development along a high-capacity transport spine (freight corridor, expressway, port links), with industrial nodes, smart cities and logistics hubs. India's programme is run by the National Industrial Corridor Development Corporation (NICDC).
Major corridors: the Delhi–Mumbai Industrial Corridor (along the Western Dedicated Freight Corridor, with nodes such as Dholera, Shendra–Bidkin and Greater Noida), Amritsar–Kolkata, Chennai–Bengaluru (extended to Kochi), the East Coast corridor (Visakhapatnam–Chennai), Bengaluru–Mumbai, Hyderabad–Bengaluru, Hyderabad–Nagpur, Hyderabad–Warangal, Odisha Economic Corridor and Delhi–Nagpur, with twelve new industrial smart cities approved in 2024.
Bengaluru–Mumbai Economic Corridor: (i) alignment: along NH-48 through Tumakuru, Chitradurga, Davanagere, Hubballi–Dharwad, Belagavi, Kolhapur, Satara and Pune, with Dharwad and Satara as planned nodes; (ii) anchor cities: it links two of India's largest economies, Mumbai (finance, port, pharmaceuticals) and Bengaluru (IT, aerospace, electronics); (iii) industries: automobiles and engineering at Pune–Chakan, machine tools and foundries at Kolhapur and Belagavi, textiles at Ichalkaranji, sugar and agro-processing in western Maharashtra and north Karnataka; (iv) connectivity: JNPA port, Mumbai and Bengaluru airports and rail links; (v) potential: to spread industry into the backward northern Karnataka and southern Maharashtra hinterland.
Challenges: land acquisition, water scarcity in the Deccan, and slow progress of the nodes.
Map: Map of India showing the main industrial corridors, with the Bengaluru–Mumbai corridor, its towns and the Dharwad and Satara nodes highlighted.
Corridors can spread industry more evenly if infrastructure and land issues are resolved.Q7(c) · Industry in India · 15 marks≈ 11 min
Industrial Policies, Public Sector, Multinationals and Liberalisation
Assess the growth of multinational corporations in liberalized economic environment of India.
हिंदी में प्रश्न
भारत के उदारीकृत आर्थिक माहौल में बहुराष्ट्रीय निगमों के विकास का आकलन कीजिए।
Model answer
Paper and question: Paper II, Q7(c)
Approach: Explain how liberalisation (1991 onwards) opened India to MNCs, assess their growth with data and sectoral and spatial examples, and evaluate the pattern. Draw a map of MNC concentration.
Multinational corporations (MNCs) are firms that own or control production in more than one country. Before 1991, licensing, the FERA (1973) cap on foreign equity and import controls limited their role; the New Industrial Policy (1991) abolished most licensing, allowed automatic approval of FDI and opened sector after sector.
Growth: cumulative FDI inflows since 2000 crossed 1 trillion US dollars in 2024, and gross inflows were about 81 billion US dollars in 2024–25 (DPIIT). Services, computer software and hardware, trading, telecommunications, automobiles, construction and pharmaceuticals are the leading sectors.
Sectoral examples: automobiles (Suzuki, Hyundai, Toyota, Kia), consumer goods (Hindustan Unilever, Nestlé), IT and global capability centres (Microsoft, Google, IBM and hundreds of GCCs in Bengaluru and Hyderabad), electronics (Samsung in Noida and Apple's contract manufacturers in Tamil Nadu and Karnataka), and e-commerce (Amazon, Walmart through Flipkart).
Spatial pattern: FDI is concentrated in Maharashtra, Karnataka, Gujarat, Delhi NCR and Tamil Nadu, reflecting markets, skills, ports and infrastructure, while eastern and north-eastern states receive little.
Evaluation: MNCs have brought capital, technology, jobs and exports and integrated India into global value chains, but their benefits are regionally uneven, profit repatriation is high, and there are concerns over tax disputes, market dominance and competition with domestic firms.
Map: Map of India showing the states with the highest FDI equity inflows (Maharashtra, Karnataka, Gujarat, Delhi, Tamil Nadu) and major MNC clusters.
Policies that spread FDI to lagging states and deepen local linkages can maximise MNC benefits.
Question 8 (50 marks)
Q8(a) · Transport, Communication and Trade · 20 marks≈ 14 min
Communication, Information Technology and the Indian Space Programme
Examine how information and communication technology has boosted the development of certain regions of India.
हिंदी में प्रश्न
सूचना और संचार प्रौद्योगिकी ने भारत के कुछ क्षेत्रों के विकास को कैसे बढ़ावा दिया है, परीक्षण कीजिए।
Model answer
Paper and question: Paper II, Q8(a)
Approach: Explain how ICT drives regional development (clustering, agglomeration, spillovers), then examine the regions it has boosted (Bengaluru, Hyderabad, Pune, Chennai, NCR, Kolkata, Kochi and tier-2 cities) and its wider effects, noting the uneven pattern. Draw a map of ICT hubs.
Information and communication technology (ICT) industries, including software, IT-enabled services, global capability centres and electronics, depend on skilled people, connectivity and urban amenities rather than raw materials, so they cluster in a few cities and transform their regions. India's IT–BPM industry earned about 283 billion US dollars in 2024–25 (NASSCOM) and employs several million people.
Regions boosted: (i) Bengaluru: early public-sector electronics and research institutions (ISRO, IISc, HAL), Electronics City and the Software Technology Parks of India (1991) made it the 'Silicon Valley of India'; (ii) Hyderabad: HITEC City and Cyberabad, strong state policy and global firms; (iii) Pune and Mumbai: Hinjewadi IT park and financial services technology; (iv) Chennai: IT corridor on Old Mahabalipuram Road and electronics manufacturing at Sriperumbudur; (v) Delhi NCR: Gurugram and Noida for IT services and electronics such as Samsung's phone plant; (vi) Kolkata (Salt Lake Sector V), Kochi (Infopark) and Thiruvananthapuram (Technopark); (vii) emerging tier-2 centres such as Bhubaneswar, Coimbatore, Jaipur, Indore and Mohali.
Development effects: (i) high-income jobs and a large middle class; (ii) growth of real estate, retail, transport and services through multiplier effects; (iii) higher state revenues and urban infrastructure, such as metro rail; (iv) start-up ecosystems.
Uneven pattern: ICT growth has widened the gap between southern and western states and the eastern and north-eastern states, and between metros and rural areas, while metros face congestion, water stress and housing costs.
Spreading the gains: BharatNet rural broadband, IT parks in smaller cities, the BPO promotion schemes for small towns and the north-east, and remote work can carry ICT beyond the metros.
Map: Map of India marking ICT hubs (Bengaluru, Hyderabad, Pune, Chennai, NCR, Mumbai, Kolkata, Kochi, Thiruvananthapuram) and emerging tier-2 centres.
ICT has been a powerful engine of regional growth, but deliberate policies are needed to spread its benefits more evenly.Q8(b) · Regional Development and Planning in India · 15 marks≈ 11 min
Command Area Development and Watershed Management
Discuss the Command Area Development Programme and its impact on eliminating regional inequalities in India.
हिंदी में प्रश्न
कमांड क्षेत्र विकास कार्यक्रम और भारत में क्षेत्रीय असमानताओं को दूर करने पर इसके प्रभाव की विवेचना कीजिए।
Model answer
Paper and question: Paper II, Q8(b)
Approach: Explain the objectives and components of the Command Area Development Programme and its evolution, then assess whether it reduced or widened regional inequalities with examples. Draw a map of major commands.
The Command Area Development Programme (CADP), launched in 1974–75, aimed to close the gap between irrigation potential created and utilised in major and medium projects by integrating on-farm works with agriculture. It became the Command Area Development and Water Management Programme (2004), was folded into PMKSY (2015–16) and in April 2025 was followed by the Modernisation of Command Area Development and Water Management (M-CADWM) sub-scheme.
Components: field channels and drains, land levelling, warabandi (rotational water supply), conjunctive use of surface and groundwater, reclamation of waterlogged land, and water users' associations under participatory irrigation management.
Positive impact on inequality: it extended irrigation to drier, poorer regions, such as the Indira Gandhi Canal command in western Rajasthan, Tungabhadra and Upper Krishna in north Karnataka, Nagarjuna Sagar in Andhra Pradesh and Chambal in Madhya Pradesh and Rajasthan, raising yields and incomes there.
Limits: funds and benefits concentrated in already irrigated states and in head reaches, while tail-end farmers got little water; waterlogging and salinity hit commands such as Indira Gandhi Canal, Tawa and Sharda Sahayak; within commands, large landholders gained more than marginal farmers.
Map: India outline marking major commands: Indira Gandhi Canal, Chambal, Tawa, Sharda Sahayak, Nagarjuna Sagar and Tungabhadra.
Hence CADP narrowed some inter-regional gaps but widened intra-command inequality; equitable water allocation, micro-irrigation and strong water users' associations are needed to make it a tool of balanced development.Q8(c) · Transport, Communication and Trade · 15 marks≈ 11 min
Ports, Foreign Trade, Trade Policy and Export Processing Zones
Critically assess the status of balance of trade in India and suggest some measures to combat the issues.
हिंदी में प्रश्न
भारत में व्यापार-संतुलन की स्थिति का समालोचनात्मक आकलन कीजिए और मुद्दों से निपटने के लिए कुछ उपाय सुझाइए।
Model answer
Paper and question: Paper II, Q8(c)
Approach: Present the latest data on India's merchandise, services and overall trade balance, assess critically its causes and implications, then suggest measures. Draw a graph of India's trade balance.
Balance of trade is the difference between the value of a country's exports and imports. India has run a persistent merchandise trade deficit for decades.
Status: in 2024–25 merchandise exports were about 437 billion US dollars and imports about 720 billion, giving a goods deficit of about 283 billion US dollars. Services exports of about 384 billion US dollars, mainly IT, business services and travel, yielded a large services surplus, so the overall goods-and-services deficit was much smaller, at about 94 billion US dollars (Ministry of Commerce). Remittances further cushion the current account.
Critical assessment: (i) the deficit is driven by crude oil, gold, electronics, coal, edible oils and fertilisers, which are hard to cut quickly; (ii) the deficit with China (about 99 billion US dollars) shows weak domestic manufacturing in electronics and capital goods; (iii) exports are concentrated in a few products and markets and face protectionism, such as the higher US tariffs of 2025.
Measures: (i) expand manufacturing through PLI, electronics and solar module production; (ii) reduce oil imports through renewables, electric vehicles and ethanol blending; (iii) promote gold monetisation and sovereign gold bonds to reduce gold imports; (iv) diversify exports and markets through FTAs and districts as export hubs; (v) improve logistics (PM Gati Shakti) to make exports competitive.
Diagram: Bar graph of India's exports, imports and trade balance for goods and services over recent years.
A smaller, sustainable deficit is achievable if manufacturing and energy transition reforms continue.