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UPSC Mains 2027: Syllabus, Pattern, Eligibility, Optional Subjects & Admit Card

The UPSC Civil Services Main Examination (Mains) is the second stage of the Civil Services Examination. Candidates who qualify for the Preliminary Examination are eligible to appear for the Main Examination.

The UPSC Mains is a descriptive written examination designed to assess a candidate's ability to understand issues, analyse problems, present arguments logically and express ideas clearly. The written examination is followed by the Personality Test/Interview for candidates shortlisted by UPSC.

UPSC Mains 2027 Exam Date

According to the UPSC Annual Calendar 2027, the Civil Services (Main) Examination 2027 is scheduled to commence from 20 August 2027. The detailed CSE 2027 notification will provide the final examination schedule and instructions.

The Mains examination is conducted over multiple days and consists of nine written papers, including two qualifying language papers, Essay, four General Studies papers and two papers of the candidate's chosen optional subject.

What is UPSC Mains?

The UPSC Civil Services Main Examination is a written, descriptive examination conducted after the Preliminary Examination.

Unlike Prelims, where candidates answer objective-type questions, Mains requires candidates to write structured answers within a prescribed time and word limit.

The examination tests knowledge, analytical ability, critical thinking, clarity of expression and understanding of important social, economic, political and ethical issues.

UPSC Mains Exam Pattern

Under the 2026 scheme, the Civil Services Main Examination consists of 9 written papers.

Paper

Subject

Marks

Nature

Paper A

Indian Language

300

Qualifying

Paper B

English

300

Qualifying

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

Written Merit Total

1750

The two language papers are qualifying in nature and their marks are not counted for ranking. The remaining written papers contribute 1750 marks. 

UPSC CSE Mains Examination Centres

Sl. No.

Centre

Sl. No.

Centre

Sl. No.

Centre

1

Ahmedabad

9

Delhi

17

Patna

2

Aizawl

10

Dispur (Guwahati)

18

Prayagraj (Allahabad)

3

Bengaluru

11

Hyderabad

19

Raipur

4

Bhopal

12

Jaipur

20

Ranchi

5

Chandigarh

13

Jammu

21

Shillong

6

Chennai

14

Kolkata

22

Shimla

7

Cuttack

15

Lucknow

23

Thiruvananthapuram

8

Dehradun

16

Mumbai

24

Vijayawada

UPSC Mains Admit Card 2027

The UPSC Mains e-Admit Card is released online before the examination. For CSE 2026, UPSC uploaded the Civil Services (Main) Examination e-Admit Card on 14 August 2026.

Candidates should download the admit card from the official UPSC website and verify:

  • Name
  • Roll Number
  • Registration details
  • Examination centre
  • Examination dates
  • Reporting time
  • Important instructions

Candidates should carry the required documents and follow all instructions printed on the e-Admit Card.

Why is UPSC Mains Important?

The Mains examination provides candidates with an opportunity to demonstrate their ability to analyse complex issues, construct arguments, apply concepts to contemporary problems and communicate ideas effectively.

Unlike an objective examination, Mains requires candidates to develop a structured response within a limited time. Therefore, conceptual understanding, current affairs integration and answer-writing practice form an important part of Mains preparation.

Why Choose Sanskriti IAS for UPSC Mains Preparation?

  • UPSC Mains preparation requires more than reading study material. Aspirants need conceptual guidance, current affairs integration, answer-writing practice, test evaluation and continuous mentorship.
  • Sanskriti IAS provides structured preparation support through classroom and online learning, study material, current affairs, mock tests, answer-writing practice and mentoring to help aspirants approach the Mains examination systematically.

UPSC Mains FAQs

How many papers are included in the UPSC Mains Examination?

Nine written papers.

How many marks are counted for UPSC Mains merit?

1750 merit marks.

Are the Indian Language and English papers qualifying?

Yes, both are qualifying.

How many optional subjects can candidates choose?

One optional subject.

How many General Studies papers are there?

Four GS papers.

Is the UPSC Mains Examination descriptive in nature?

Yes, descriptive examination.

What is the total written Mains examination score?

1750 written marks.

How many marks does the UPSC Interview carry?

275 interview marks.

What is the academic level of optional subjects?

Recognised graduate degree

Where can candidates find previous UPSC papers?

On our Website www.sanskritiias.com and Official UPSC website.

Know More

Important Links:

About Civil Services Exam UPSC Syllabus
Exam Pattern Notifications
How to prepare – Prelims Exam How to prepare – Mains Exam
How to prepare – Interview Useful Books
UPSC Prelims Answer Key UPSC Result
UPSC Cut Off Marks Important Websites for UPSC
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