UPSC Exam Pattern 2027 for Prelims, Mains & Interview

UPSC Civil Services Examination (CSE) 2027 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 2027 is important because it helps candidates plan their preparation, understand the marking scheme and focus on the right subjects.

UPSC Exam Pattern 2027

The UPSC Exam Pattern 2027 outlines the number of papers, examination duration, marks distribution and qualifying requirements for each stage. It also explains the difference between screening and merit-based assessments, helping candidates understand how Prelims, Mains and the Personality Test contribute to the final selection.

UPSC CSE 2027 Exam Stages

The UPSC CSE 2027 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.

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UPSC Prelims Exam Pattern 2027

The UPSC Prelims 2027 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.

UPSC Prelims Syllabus 2027

The UPSC Prelims Syllabus 2027 comprises two compulsory papers: General Studies Paper I and General Studies Paper II (CSAT). GS Paper I covers History, Geography, Indian Polity, Economy, Environment, Science and Technology, and Current Affairs. CSAT assesses comprehension, logical reasoning, analytical ability and basic numeracy. Candidates must secure at least 33% in CSAT to qualify, while GS Paper I marks determine the Prelims cutoff. Both papers are compulsory for qualifying for the UPSC Mains Examination.

UPSC Mains Exam Pattern 2027

Candidates who clear the UPSC Prelims Cutoff become eligible for the UPSC Mains Examination 2027. The Mains exam comprises nine descriptive papers, including two qualifying papers: Paper A (Indian Language) and Paper B (English). The remaining seven merit-based papers carry a total of 1750 marks and determine the candidate's written examination score.

UPSC Mains Syllabus 2027

The UPSC Mains Syllabus 2027 comprises nine descriptive papers covering Essay, General Studies, Indian Language, English and an optional subject. These papers assess a candidate’s knowledge, analytical ability and understanding of diverse subjects.

The four General Studies papers cover Indian heritage and culture, history, polity, governance, social issues, economy, environment, science and technology, internal security and ethics. Candidates must also select one optional subject, which consists of two papers carrying 250 marks each. The examination evaluates conceptual clarity, critical thinking, answer-writing skills and the ability to relate theoretical knowledge to current affairs.

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 2027 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 2027 Marking Scheme

The UPSC CSE 2027 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 2027

Here is the list of Services under UPSC CSE 2027 as per the latest UPSC Notification 2027.

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’