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UPSC Prelims Mock Tests & Previous Year Papers

Full-length UPSC Prelims mocks for GS Paper 1 and CSAT, auto-graded with negative marking and instant batch ranks.

The Civil Services Preliminary Examination is conducted by the Union Public Service Commission (UPSC) as the first stage of the Civil Services Examination. It has two objective papers - General Studies Paper 1 and CSAT (Paper 2, qualifying). Build full-length mocks and topic-wise sectionals on MegaExams, free for teachers and coaching institutes, backed by a growing UPSC question bank.

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Conducted by

Union Public Service Commission (UPSC)

Mode

Offline OMR (replicated online for practice)

Subjects

General Studies Paper 1 + CSAT Paper 2

Marking

-1/3 negative for each wrong answer

UPSC Prelims subjects & question papers

General Studies Paper 1

History, geography, polity, economy, environment, science and technology, and current events.

CSAT Paper 2

Comprehension, logical reasoning, analytical ability, decision making, and basic numeracy (qualifying).

Current Affairs

National and international events, government schemes, and reports relevant to the exam year.

Practice from 7,996 real UPSC Prelims questions

Auto-graded with negative marking, instant scorecards, and chapter-wise analysis. Build a mock test in minutes or let students practise on their phone.

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Why teachers use MegaExams for UPSC Prelims

AI-generated mock papers

Generate fresh UPSC Prelims questions across polity, history, and current affairs in seconds, so every mock feels new.

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Negative marking, graded instantly

Apply the UPSC scheme of a one-third negative for each wrong answer, graded the moment a student submits.

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Batch-wide leaderboards

Rank your batch by GS and CSAT scores so aspirants can benchmark against peers.

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Frequently asked questions

Each wrong answer deducts one-third of the marks assigned to that question. There is no penalty for questions left unattempted. MegaExams replicates this scheme exactly.
CSAT (Paper 2) is qualifying - you need 33 percent to clear it - while the GS Paper 1 score decides who advances to the mains. You can build mocks for both papers.
Yes. MegaExams maintains a growing UPSC Civil Services question bank so you can assemble mocks across subjects and current affairs quickly.
Yes. MegaExams is free forever for teachers and coaching institutes, and it runs on any phone or laptop with no installation.
Yes. Every test runs in a mobile browser, so aspirants can revise topic-wise sets anywhere and sit full mocks on a laptop.

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