UPSC Civil Services Examination: Pattern, Stages & Eligibility
An objective, factual structural breakdown of the Indian Civil Services Examination (CSE) conducted annually by the Union Public Service Commission for IAS, IPS, IFS, and Central Group 'A' services.
The Union Public Service Commission is established under Article 315 of the Constitution of India. Official annual examination notifications, syllabi, and scorecards are published through its statutory portal.
The Three Structural Stages of Examination
UPSC CSE is a sequential elimination examination consisting of three distinct phases:
Screening Test — 400 Total Marks
- • GS Paper I (200 Marks, 100 MCQs): History, Geography, Polity, Economy, Environment, Science & Current Events. Determines cutoff for Mains admission.
- • GS Paper II / CSAT (200 Marks, 80 MCQs): Reading comprehension, logical reasoning, basic numeracy (Class X level). Qualifying: 33% (66 marks) required.
- • Negative marking of 1/3rd (0.33) marks deducted per incorrect answer in both papers.
9 Papers — 1,750 Marks Counted for Merit
- • Qualifying Papers (A & B - 300 Marks each): One Indian Language (from 8th Schedule) + English Language. Must score 25%. Not counted for rank.
- • Paper I (250 Marks): Essay Writing (2 distinct sections).
- • Papers II to V (250 Marks each): General Studies I (Heritage/Culture/Geo), GS II (Governance/Polity/IR), GS III (Economy/Tech/Environment/Security), GS IV (Ethics, Integrity & Aptitude).
- • Papers VI & VII (250 Marks each): Optional Subject Papers 1 and 2 chosen from UPSC curriculum list.
Board Interview — 275 Marks
Conducted at Dholpur House, New Delhi. Assesses intellectual integrity, balanced judgment, leadership depth, and mental alertness. Total final merit score: 2,025 Marks.
Eligibility Matrix: Age Limit & Permitted Attempts
| Category | Minimum Age | Upper Age Limit | Total Attempts |
|---|---|---|---|
| General / Unreserved | 21 Years | 32 Years | 6 Attempts |
| EWS (Economically Weaker) | 21 Years | 32 Years | 6 Attempts |
| OBC (Non-Creamy Layer) | 21 Years | 35 Years | 9 Attempts |
| SC / ST | 21 Years | 37 Years | Unlimited (till age limit) |
| PwBD (Persons with Disabilities) | 21 Years | 42 Years | 9 (Gen/OBC) / Unlimited (SC/ST) |
Frequently Asked Questions
What is the minimum educational qualification for UPSC CSE?
Candidates must hold a degree from any recognized central or state university, or an educational institution established by an Act of Parliament. Candidates in the final year of their undergraduate degree are eligible to sit for the Preliminary Examination.
What are the age limits and attempt allowances across categories?
As per official UPSC Gazette notifications: General & EWS category candidates have a maximum age limit of 32 years with 6 attempts; OBC candidates have an upper age limit of 35 years with 9 attempts; SC and ST candidates have an upper age limit of 37 years with unlimited attempts (until the upper age limit).
How does CSAT qualifying score affect Prelims evaluation?
General Studies Paper-II (CSAT) is strictly qualifying in nature. Candidates must secure a minimum of 33% marks (66 out of 200 marks). If a candidate fails to score 33% in CSAT, their General Studies Paper-I is not considered for cut-off ranking regardless of score.
Which marks are counted for the final UPSC merit rank?
The final merit rank is computed out of 2,025 marks: 1,750 marks from the seven counted written Mains papers (Essay + 4 General Studies + 2 Optional papers) and 275 marks from the Personality Test (Interview).