UPSC Exam Pattern 2026, Prelims, Mains & Interview

The UPSC Civil Services Examination (CSE) 2026 is conducted in three stages: Prelims, Mains and Personality Test (Interview). Candidates must qualify at each stage to move to the next. The Prelims examination is objective in nature, while the Mains examination includes descriptive papers followed by the Interview. A clear understanding of the UPSC Exam Pattern 2026 is important because it helps candidates plan their preparation, understand the marking scheme and focus on the right subjects.

UPSC CSE 2026 Exam Stages

The UPSC CSE 2026 Exam Pattern consists of three stages. Prelims is only a screening test, while the marks obtained in Mains and the Interview are considered for the final merit list.

UPSC Prelims Exam Pattern 2026

The UPSC Prelims 2026 consists of two compulsory objective-type papers conducted on the same day. Each paper carries 200 marks, making the total 400 marks.

General Studies Paper I covers subjects such as Indian history, geography, polity and governance, economy, environment, science and technology, and current affairs. General Studies Paper II (CSAT) tests comprehension, reasoning, analytical ability, basic numeracy and data interpretation.

Note: There is no negative marking for unanswered questions. CSAT is qualifying in nature, while General Studies Paper I is used to determine the Prelims cutoff.

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UPSC Prelims Syllabus 2027

The UPSC Prelims Syllabus 2027 consists of two papers: General Studies Paper I and CSAT (General Studies Paper II). GS Paper I covers subjects such as history, geography, polity, economy, environment, science and current affairs, while CSAT tests comprehension, reasoning, numeracy and analytical ability. 

CSAT is a qualifying paper with a minimum requirement of 33%, while GS Paper I is used to determine the Prelims cutoff. Candidates must appear in both papers to qualify for the next stage.

UPSC Mains Exam Pattern 2026

Candidates who qualify for the Prelims cutoff are eligible to appear for the UPSC Mains Examination. The Mains consists of nine descriptive papers. Two papers, Paper A (Indian Language) and Paper B (English) are qualifying in nature. The remaining seven papers contribute to the final written score. The Mains written examination carries 1750 marks.

UPSC Mains Syllabus 2026

The UPSC Mains Syllabus 2026 includes nine descriptive papers covering Essay, General Studies, Indian Language, English and one optional subject.

The four General Studies papers cover Indian heritage and history, governance and polity, economy and environment, science and technology, security and ethics. Candidates also have to choose one optional subject, which includes two papers of 250 marks each. The Mains exam mainly tests conceptual understanding, analytical thinking, answer-writing skills and the ability to connect topics with current issues.

UPSC Interview 2026

The UPSC Interview 2026, officially called the Personality Test, is the final stage of the Civil Services Examination. It carries 275 marks and assesses a candidate’s personality, communication skills, judgment, confidence and awareness. The interview is not just a test of knowledge but evaluates the overall suitability of a candidate for a career in public service.

UPSC Exam Pattern 2026 Prelims vs Mains

The UPSC Prelims is an objective screening examination, while the Mains is a descriptive examination that tests analytical understanding, answer-writing ability and subject knowledge.

UPSC CSE 2026 Marking Scheme

The UPSC CSE 2026 marking scheme differs for Prelims and Mains. Prelims has negative marking for incorrect answers, while the Mains examination is descriptive and does not have objective-type negative marking.

Services Under UPSC CSE 2026

Here is the list of Services under UPSC CSE 2026 as per the latest UPSC Notification 2026.

1. Indian Administrative Service (IAS)
2. Indian Foreign Service (IFS)
3. Indian Police Service (IPS)
4. Indian Audit and Accounts Service, Group ‘A’
5. Indian Civil Accounts Service, Group ‘A’
6. Indian Corporate Law Service, Group ‘A’
7. Indian Defence Accounts Service, Group ‘A’
8. Indian Defence Estates Service, Group ‘A’
9. Indian Information Service, Group ‘A’
10. Indian Postal Service, Group ‘A’
11. Indian Post & Telecommunication Accounts and Finance Service, Group ‘A’
12. Indian Railway Management Services (Traffic, Personnel, Accounts), Group ‘A’
13. Indian Railway Protection Force Service, Group ‘A’
14. Indian Revenue Service (Customs & Indirect Taxes), Group ‘A’
15. Indian Revenue Service (Income Tax), Group ‘A’
16. Indian Trade Service, Group ‘A’ (Grade III)
17. Armed Forces Headquarters Civil Service, Group ‘B’
18. Delhi, Andaman & Nicobar Islands Civil Service (DANICS), Group ‘B’
19. Delhi, Andaman & Nicobar Islands Police Service (DANIPS), Group ‘B’
20. Pondicherry Civil and Police Service, Group ‘B’