UPSC CSE is conducted by the Union Public Service Commission (UPSC) and covers Prelims (General Studies and CSAT), Mains (Essay, General Studies and an Optional subject) and an interview. This page summarises the UPSC CSE exam pattern, marking scheme and syllabus as a study snapshot for previous year question practice. Confirm eligibility, dates and marking in the latest official notification on upsc.gov.in.
Official brochure wins
Pattern and syllabus notes below are a study snapshot for PYQ practice. Always cross-check the latest notification and information bulletin on upsc.gov.in before you finalise eligibility, fees, or marking assumptions.
Pattern snapshot
Three-stage process. Prelims is qualifying gateway with cut-offs; Mains + Interview determine rank.
| Section | Duration | Questions (typical) | Marking |
|---|---|---|---|
| Prelims GS Paper I | 2 hours | 100 MCQ (typical) | Negative marking as notified |
| Prelims CSAT Paper II | 2 hours | 80 MCQ (typical) | Qualifying nature in recent cycles - verify |
| Mains (GS/Essay/Optional) | Multi-day descriptive | As notified | Descriptive evaluation |
CSAT is qualifying in recent patterns but still eliminates unprepared candidates - practise PYQs.
Marking scheme (study snapshot)
| Question type | Correct | Wrong | Notes |
|---|---|---|---|
| Prelims MCQ | As notified | Negative (commonly 1/3) | Confirm brochure |
| Mains descriptive | Examiner marks | N/A | Structure and content both score |
| Interview | Board marks | N/A | Personality test after Mains |
Numbers above are typical of recent cycles. Confirm exact marks, negatives, and sectional rules in the current brochure.
Detailed syllabus bullets (for mapping PYQ misses)
Prelims GS
- History, art & culture
- Geography (India & world)
- Indian polity and governance
- Economy and social development
- Environment, ecology, biodiversity
- Science & tech and current affairs integration
CSAT
- Reading comprehension
- Logical reasoning and analytical ability
- Basic numeracy and data interpretation
- Decision-making style items as tested
Mains GS & Essay
- GS I–IV themes as per official Mains syllabus
- Essay practice from past topics
- Ethics case studies and thinkers as relevant
- Optional subject PYQs (separate deep track)
Eligibility snapshot
- Nationality and educational qualifications as per UPSC notification
- Age limits and attempt limits category-wise as notified
- Other conditions (number of attempts, etc.) strictly per brochure
Eligibility can change by year (age, attempts, degree, category rules). Treat this as orientation only.
Who runs it and how often
- Exam: UPSC Civil Services Examination (UPSC CSE)
- Conducted by: Union Public Service Commission
- Typical frequency: Annual cycle (Prelims → Mains → Interview)
- Category: Government
- Official site: upsc.gov.in
Link PYQs to syllabus
- Take one recent full paper under realistic timing.
- Map every miss to a syllabus bullet above.
- Study that bullet from your primary resource (notes/textbook).
- Re-solve only those PYQs before the next full paper.
- Update your error log with the syllabus tag so weak areas compound correctly.
Brochure caution
Do not rely on undated coaching PDFs for duration, number of questions, or negative marking. Screenshot or bookmark the current information bulletin. If a PYQ set disagrees with the latest pattern, still use it for skill practice, but do not treat its structure as the live exam.