The UPSC Civil Services Examination (CSE) is conducted by the Union Public Service Commission (UPSC) to recruit candidates for prestigious services such as the Indian Administrative Service (IAS), Indian Police Service (IPS), Indian Foreign Service (IFS), and several other Central Government services.

The UPSC exam is conducted in three stages:
- UPSC Preliminary Examination
- UPSC Main Examination
- Personality Test/Interview
Candidates must qualify at each stage to progress to the next stage. The final merit list is prepared based on the marks obtained in the Mains Examination and Personality Test.
UPSC Exam Pattern at a Glance
| Phase | Stage | Type | Marks | Mode |
| Stage 1 | Preliminary Exam (Prelims) (2 Papers) | Objective (MCQs) | 400 (Qualifying) | Offline (OMR) |
| Stage 2 | Mains Exam (9 Papers) | Descriptive (Written) | 1,750 | Offline (Pen & Paper) |
| Stage 3 | Personality Test (Interview) | Oral Interview | 275 | In-Person |
| Total | Final Merit Score | Mains + Interview | 2,025 | — |
Note: CSAT is a qualifying paper. Candidates need to secure the prescribed minimum qualifying marks in General Studies Paper II.
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UPSC Preliminary Exam Pattern
Syllabus of Preliminary Exam according to official notification of UPSC
General Studies Paper I
General Studies Paper I carries 200 marks and contains 100 objective-type questions. The paper is designed to assess a candidate’s general awareness and understanding of important subjects relevant to the Civil Services Examination.
Major areas include:
- Current Affairs of national and international importance
- History of India and the Indian National Movement
- Indian and World Geography
- Indian Polity and Governance
- Economic and Social Development
- Environmental Ecology, Biodiversity and Climate Change
- General Science
General Studies Paper II – CSAT
The Civil Services Aptitude Test (CSAT) is the second paper of the Preliminary Examination. It carries 200 marks and consists of 80 questions.
The paper tests candidates on areas such as:
- Comprehension
- Interpersonal and communication skills
- Logical reasoning and analytical ability
- Decision-making and problem-solving
- General mental ability
- Basic numeracy
- Data interpretation
CSAT is qualifying in nature, and candidates must obtain the minimum qualifying percentage prescribed by UPSC.
Paper Breakup
- General Studies Paper I
- Questions: 100
- Total Marks: 200
- Duration: 2 Hours
- Key Topics: Indian History, Polity, Economy, Geography, Environment & Ecology, General Science, and Current Affairs.
- Purpose: Determines the cutoff score to qualify for Mains.
- General Studies Paper II (CSAT – Civil Services Aptitude Test)
- Questions: 80
- Total Marks: 200
- Duration: 2 Hours
- Key Topics: Reading Comprehension, Logical Reasoning, Analytical Ability, Basic Numeracy (Class 10 level), and Data Interpretation.
- Purpose: Strictly qualifying in nature. Candidates must score at least 33% (66 marks out of 200).
UPSC Prelims Negative Marking
UPSC Prelims follows a negative-marking system. Generally, one-third of the marks assigned to a question are deducted for an incorrect answer. There is no negative marking for questions left unanswered.
Candidates should therefore attempt questions carefully and avoid making guesses without sufficient confidence.
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UPSC Mains Exam Pattern
Candidates who qualify for the Preliminary Examination are called to appear for the UPSC Civil Services Main Examination.
The Mains examination is a written, descriptive examination consisting of nine papers.
UPSC Mains Papers
| Paper | Subject | Marks | Nature |
| Paper A | Indian Language | 300 | Qualifying (25%) |
| Paper B | English | 300 | Qualifying (25%) |
| Paper I | Essay | 250 | Merit |
| Paper II | General Studies I | 250 | Merit |
| Paper III | General Studies II | 250 | Merit |
| Paper IV | General Studies III | 250 | Merit |
| Paper V | General Studies IV | 250 | Merit |
| Paper VI | Optional Subject – Paper I | 250 | Merit |
| Paper VII | Optional Subject – Paper II | 250 | Merit |
The two qualifying language papers are not counted for determining the final ranking, provided the candidate secures the required qualifying marks.
The remaining seven papers contribute 1750 marks to the Mains merit score. All merit papers carry 250 marks each and have a duration of 3 hours.
UPSC Mains General Studies Papers
The four General Studies papers carry 250 marks each.
General Studies Paper I
GS Paper I covers:
- Indian Heritage and Culture
- History of India
- World History
- Indian Society
- Geography of India and the World
General Studies Paper II
GS Paper II focuses primarily on:
- Indian Constitution
- Governance
- Polity
- Social Justice
- International Relations
General Studies Paper III
GS Paper III includes:
- Indian Economy
- Agriculture
- Science and Technology
- Environment and Biodiversity
- Disaster Management
- Internal Security
General Studies Paper IV
GS Paper IV is based on Ethics, Integrity and Aptitude. Important areas include:
- Ethics and human values
- Attitude
- Emotional intelligence
- Integrity
- Probity in governance
- Ethical issues in public administration
- Case studies
UPSC Essay Paper
The Essay paper carries 250 marks.
Candidates are generally required to write essays on selected topics. The paper evaluates a candidate’s ability to:
- Understand the topic
- Organise ideas logically
- Present balanced arguments
- Demonstrate depth of understanding
- Communicate clearly and effectively
Regular essay practice is important for developing structure, clarity and time-management skills.
UPSC Optional Subject
Candidates have to choose one optional subject for the Mains Examination.
The optional subject consists of two papers, with each paper carrying 250 marks, making a total of 500 marks.
Candidates can choose their optional subject from the list prescribed by UPSC.
Some commonly chosen optional subjects include:
- Geography
- History
- Sociology
- Political Science and International Relations
- Public Administration
- Anthropology
- Economics
- Philosophy
- Mathematics
- Literature subjects
The best optional subject depends on factors such as the candidate’s academic background, interest, availability of study material and preparation strategy.
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UPSC Personality Test / Interview
Candidates who qualify in the written Mains examination are called for the Personality Test, commonly known as the UPSC Interview.
The Personality Test carries 275 marks.
The interview is designed to assess whether a candidate possesses the qualities and suitability required for a career in public service. The board may assess areas such as:
- General awareness
- Analytical thinking
- Mental alertness
- Balance of judgement
- Leadership qualities
- Communication skills
- Social awareness
- Interest in current affairs
- Integrity and suitability for public service
The interview is not simply a test of factual knowledge. Candidates are expected to demonstrate a balanced, thoughtful and confident personality.
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UPSC Final Selection
The final ranking of candidates is based on their performance in:
- UPSC Mains written examination – 1750 marks
- Personality Test – 275 marks
Therefore, the total marks considered for the final merit list are 2025 marks.
The marks obtained in the Preliminary Examination are not counted for the final ranking. Prelims is used as a screening stage for selecting candidates for the Mains Examination.
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UPSC Exam Pattern: Important Points
Candidates preparing for the Civil Services Examination should keep the following points in mind:
- UPSC CSE has three stages: Prelims, Mains and Personality Test.
- Prelims consists of two objective-type papers.
- CSAT is qualifying in nature.
- Mains consists of nine written papers.
- Two Mains language papers are qualifying.
- Seven Mains papers are counted for merit.
- The Mains written examination carries 1750 marks.
- The Personality Test carries 275 marks.
- The final merit is based on a total of 2025 marks.
- Prelims marks are not included in the final merit score.
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UPSC Exam Pattern Preparation Strategy
- Understanding the exam pattern is the first step toward effective UPSC preparation. Candidates should prepare for each stage according to its requirements.
- For Prelims, focus on conceptual understanding, current affairs, revision and regular mock-test practice.
- For Mains, develop answer-writing skills and focus on analytical understanding of the syllabus. Practising previous years’ questions can help candidates understand the type and depth of questions asked.
- For the Interview, candidates should develop awareness of current affairs, their educational background, interests and issues related to their Detailed Application Form (DAF).
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Frequently Asked Questions About UPSC Exam Pattern
- How many stages are there in the UPSC Civil Services Examination?
- The UPSC Civil Services Examination has three stages: Preliminary Examination, Main Examination and Personality Test/Interview.
- Is UPSC Prelims qualifying in nature?
- Prelims acts as a screening stage. General Studies Paper II (CSAT) is qualifying in nature, while the marks of the Prelims examination are not added to the final merit score.
- How many papers are there in UPSC Mains?
- There are nine papers in the UPSC Mains Examination: two qualifying language papers, Essay, four General Studies papers and two papers for the chosen optional subject.
- How many marks are counted for the final UPSC merit list?
- The final merit list is based on 1750 marks from the Mains written examination and 275 marks from the Personality Test, for a total of 2025 marks.
- Is there negative marking in UPSC Prelims?
- Yes. Incorrect answers in the objective papers generally attract a penalty of one-third of the marks assigned to that question.
- Is CSAT counted in the UPSC final merit?
- No. CSAT is a qualifying paper and its marks are not counted toward the final merit ranking.
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Conclusion:
The UPSC exam pattern is designed to evaluate candidates at multiple levels, from general awareness and aptitude in Prelims to analytical writing in Mains and personality assessment in the Interview. A clear understanding of the pattern, syllabus and marking scheme can help aspirants build a focused preparation strategy.
UPSC OFFICIAL NOTIFICATION : Notif-CSP-2026-Engl-060226Rev
