UPSC Exam Pattern - Prelims, Mains & interview

UPSC Exam Pattern: The civil services exam conducted by UPSC is one of the prestigious exams in the country. Candidates must go through the UPSC civil services exam pattern before starting preparation to get familiarized with the marking scheme and paper type at different stages.

Overview of the UPSC Exam Pattern: The UPSC civil services exam comprises 3 stages - Prelims, Mains & Interview. The Prelims paper consists of 2 papers in objective mode (MCQs-based paper) - GS & CSAT, In which GS comprises subjects like history, economy, polity, environment, geography, and current affairs and CSAT has subjects like maths, reasoning, and English. The Mains section contains 9 papers - 2 language papers (Qualifying in nature), 1 Essay paper, 4 GS papers, and 2 Optional papers. Then, the interview is the final stage of UPSC CSE that contains 275 marks.

Total Marks in UPSC: Prelims: The prelims stage has 2 papers - GS & CSAT. GS has 100 questions and each question carries 2 marks which makes a total of 200 marks. In CSAT, there are 80 questions and each question carries 2.5 marks which makes a total of 200 marks.
Note: The prelims stage is just qualifying in nature and the marks are not counted in final merit.

Mains: The merit section in UPSC CSE contains 7 descriptive papers and 1 Interview session. The descriptive paper contains (UPSC mains total marks) 1750 marks (250 each) and the interview contains 275 marks, hence, the total marks calculated in the final list is 2025 marks.

Prelims Exam Pattern

Paper Duration Questions Marks Nature of Paper
GS 2 Hours 100 Questions 200 Merit (Cut-Off)
CSAT 2 Hours 80 Questions 200 Qualifying (33%)

To qualify for the mains examination, aspirants need to score marks more than the cut-off in GS Paper, and to qualify for the CSAT, aspirants need to score 33%.


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Negative Marking in UPSC CSE Prelims

The prelims paper (GS & CSAT) of the civil services exam has a negative marking scheme, and 1/3rd of the marks will be deducted for every incorrect response.

Aspirants who scored more than 33% in the CSAT and scored more than the cut-off marks in GS Paper can write the UPSC civil services mains exam.

Mains Exam Pattern

Paper Duration Marks Nature of Paper
Indian Language (Paper A) 3 Hours 300 Qualifying
English Language (Paper B) 3 Hours 300
Essay 3 Hours 250 Count For Merit
GS Paper 1 3 Hours 250
GS Paper 2 3 Hours 250
GS Paper 3 3 Hours 250
GS Paper 4 3 Hours 250
Optional Paper 1 3 Hours 250
Optional Paper 2 3 Hours 250
Total Mains Marks 1750 Marks
Interview / Personality Test 275 Marks
Total 2025 Marks

Qualifying Paper: The two language papers in the UPSC CSE mains exam are qualifying in nature, which means aspirants are required to score 25% in those language papers.

Merit-based Paper: To qualify for the interview round of the UPSC civil services, candidates must score the specified marks in merit papers {Essay, GS1,2,3&4 and Optional (Paper 1 & 2)}.

Difference between UPSC Prelims and Mains Exam Pattern

Prelims Mains
Papers 2 (Qualifying) 9 {2 (Qualifying) +7 (Merit)}
Marks 400 (200 each) 2350 {300x2 + 250x7}
Type Objective Subjective
Negative Marking 1/3rd No
Duration 2 Hours (each) 3 Hours (each)

Did You Know: If aspirants fail to score 25% in the language paper, then the rest of the paper's marks will not be disclosed by the UPSC.

Optional Subject in UPSC Exam Pattern

The optional section of UPSC CSE mains carries 500 marks. This section is divided into 2 papers and each paper carries 250 marks. Here is the list of optional papers:

1. Agriculture 2. Anthropology 3. Chemistry 4. Animal Husbandry and Veterinary Science 5. Botany
6. Geology 7. Law 8. Mathematics 9. History 10. Management
11. Psychology 12. Sociology 13. Zoology 14. Public Administration 15. Statistics
16. Commerce & Accountancy 17. Electrical Engineering 18. Civil Engineering 19. Economics 20. Geography
21. Medical Science 22. Physics 23. Mechanical Engineering 24. Philosophy 25. Political Science and International Relations
26. Literature (English + Languages Mentioned in Schedule - 8): Bengali, Dogri, Hindi, Kashmiri, Maithili, Manipuri, Nepali, Punjabi, Santhali, Tamil, Urdu, Assamese, Bodo, Gujarati, Kannada, Konkani, Malayalam, Marathi, Odia, Sanskrit, Sindhi, Telugu, and English.

Paper A (Regional Indian Language) is compulsory for everyone except those hailing from Arunachal Pradesh, Nagaland, Sikkim, Manipur, Mizoram, and Meghalaya. But Paper B (English Language) is compulsory for everyone.

The Interview Round

This is the last and final round for the UPSC civil services mainly assessing the candidate's suitability for a career in civil services and adaptability to handle administrative roles. The interview round carries 275 marks and counts for merit in the final result.

FAQs Regarding UPSC Exam Pattern

Ans. There is a penalty (negative marking) for wrong answers marked by the candidates in both papers. For wrong answers and multiple answers, there is a deduction of 1/3rd of the marks.

No, candidates can write their answers either in English or any language mentioned in schedule 8th of the constitution, that they have indicated in the application form.

As these 2 language papers are qualifying in nature, candidates have to score 25% in these papers.
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