UPSC Prelims 2027 Test Series: GS Paper I & CSAT Mock Tests
Weekly subject-wise GS tests with monthly current affairs, full-length CSAT papers and exam simulations. Bilingual questions, detailed solutions, topic-wise analysis and all-India rank.
Upcoming tests
Test 1 – GS Paper I
Indian Polity & Governance
6:00 AM – 11:59 PM
Test 2 – GS Paper I
Indian Polity & Governance – Advanced
6:00 AM – 11:59 PM
What the series covers
GS Paper I · 100 Qs · 200 marks · 2 hrs
Polity, History (Ancient, Medieval, Modern, Art & Culture), Geography, Economy, Environment & Ecology, Science & Tech, Government Schemes, International Organisations and Current Affairs.
CSAT Paper II · 80 Qs · 200 marks · 2 hrs
Comprehension, Basic Numeracy, Data Interpretation, Logical Reasoning, Analytical Ability, Decision Making & Problem Solving.
All tests
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Prelims 2027 Subject-wise Test Calendar
16 weekly GS tests from 20 September 2026 to 3 January 2027. Every test includes 75 subject questions and 25 current-affairs questions.
15 CSAT tests and full-length mock tests will be added after the subject-wise phase.
About the UPSC Prelims 2027 Test Series
The UPSC Prelims 2027 Test Series follows the UPSC Civil Services Preliminary Examination pattern. General Studies Paper I tests have 100 questions for 200 marks in 2 hours with one-third negative marking; CSAT Paper II tests have 80 questions for 200 marks. Each scheduled GS test has 75 questions from one subject and 25 questions on that month's current affairs, so you revise static syllabus and news together. Every test is bilingual (English and Hindi) and comes with detailed explanations, a topic-wise score report, weak-area recommendations linked to NextGenPSC study notes, and an all-India rank.
Start free: Test 1 of General Studies and Test 1 of CSAT are free for every signed-in student. The Premium Pass (₹299 + GST) unlocks every test of every Prelims series. You can also practise with free subject-wise chapter tests and the actual UPSC Prelims previous year papers.
UPSC Prelims 2027 test schedule
| Test | Date | Subject and syllabus |
|---|---|---|
| Test 1FREE | 20 Sept 2026 | Indian Polity & Governance — 75 Indian Polity & Governance questions + 25 Current Affairs questions |
| Test 2 | 27 Sept 2026 | Indian Polity & Governance – Advanced — 75 advanced Indian Polity & Governance questions + 25 Current Affairs questions (February 2026) |
| Test 3 | 04 Oct 2026 | Ancient History — 75 Ancient History questions + 25 Current Affairs questions (March 2026) |
| Test 4 | 11 Oct 2026 | Medieval History — 75 Medieval History questions + 25 Current Affairs questions (April 2026) |
| Test 5 | 18 Oct 2026 | Modern History — 75 Modern History questions + 25 Current Affairs questions (May 2026) |
| Test 6 | 25 Oct 2026 | Modern History – Advanced — 75 advanced Modern History questions + 25 Current Affairs questions (June 2026) |
| Test 7 | 01 Nov 2026 | Art & Culture — 75 Art & Culture questions + 25 Current Affairs questions (July 2026) |
| Test 8 | 08 Nov 2026 | Indian Geography — 75 Indian Geography questions + 25 Current Affairs questions (August 2026) |
| Test 9 | 15 Nov 2026 | Geography – Advanced — 75 advanced Geography questions + 25 Current Affairs questions (September 2026) |
| Test 10 | 22 Nov 2026 | Science & Technology — 75 Science & Technology questions + 25 Current Affairs questions (October 2026) |
| Test 11 | 29 Nov 2026 | Indian Economy — 75 Indian Economy questions + 25 Current Affairs questions (November 2026) |
| Test 12 | 06 Dec 2026 | Indian Economy – Advanced — 75 advanced Indian Economy questions + 25 Current Affairs questions (December 2026) |
| Test 13 | 13 Dec 2026 | Environment & Ecology — 75 Environment & Ecology questions + 25 Current Affairs revision questions |
| Test 14 | 20 Dec 2026 | Environment & Ecology – Advanced — 75 advanced Environment & Ecology questions + 25 Current Affairs revision questions |
| Test 15 | 27 Dec 2026 | International Relations & Government Schemes — 75 International Relations & Government Schemes questions + 25 Current Affairs revision questions |
| Test 16 | 03 Jan 2027 | Agriculture, Internal Security & Disaster Management — 75 Agriculture, Internal Security & Disaster Management questions + 25 Current Affairs revision questions |
GS Paper I syllabus covered
Polity, History (Ancient, Medieval, Modern, Art & Culture), Geography, Economy, Environment & Ecology, Science & Tech, Government Schemes, International Organisations and Current Affairs.
CSAT Paper II syllabus covered
Comprehension, Basic Numeracy, Data Interpretation, Logical Reasoning, Analytical Ability, Decision Making & Problem Solving.
Frequently asked questions
Is the UPSC Prelims 2027 test series free?
The first General Studies test and the first CSAT test are free for everyone who signs in, with full solutions and analysis. The remaining tests are unlocked by the Premium Pass (₹299 + GST), which covers every Prelims test series on NextGenPSC.
How many tests are in the UPSC Prelims 2027 test series?
16 weekly subject-wise GS Paper I tests from 20 September 2026 to 3 January 2027, CSAT Paper II tests, and full-length mock tests after the subject-wise phase.
What is the pattern of each test?
GS Paper I tests have 100 questions for 200 marks in 2 hours, with one-third negative marking. CSAT Paper II tests have 80 questions for 200 marks in 2 hours. Questions are bilingual (English and Hindi) and follow the latest UPSC style.
Do I get solutions and performance analysis?
Yes. Every test has detailed explanations for each question, a subject- and topic-wise score breakdown, weak-area recommendations linked to study notes, and an all-India rank among NextGenPSC test takers.
Can I attempt a test after its scheduled date?
Yes. Each test opens on its scheduled date and stays available afterwards, so you can attempt it later or reattempt it for revision.