The UPSC Mains Exam is the second stage of the Civil Services Examination of India. It has 9 descriptive papers of 1750 marks, and it tests your knowledge, writing skills, and analytical thinking. Those who qualify in the UPSC Prelims are eligible to appear for them. Once you clear this stage, you will be one step closer to the final interview round.
The examination has three stages:
- UPSC Preliminary Examination
- UPSC Mains Examination
- UPSC Personality Test (Interview)
UPSC Mains Exam Eligibility Criteria
Before preparing for the exam, candidates must understand the eligibility requirements.
The following table provides a quick overview.
|
Criteria |
Requirement |
|
Nationality |
Indian citizen (for IAS and IPS) |
|
Educational Qualification |
Bachelor's degree from a recognized university |
|
Age Limit |
Generally 21–32 years for the general category |
|
Number of Attempts |
6 attempts for the general category |
|
Prelims Qualification |
It is mandatory to appear in the mains. |
Important: PwBD stands for Persons with Benchmark Disability, a category that gets extra age and attempt relaxation. These limits can also shift slightly with each year's notification, so always confirm the latest details on upsc.gov.in.
UPSC Age Limit & Attempts
The minimum age for the UPSC Civil Services Examination is 21 years, and UPSC provides different attempt limits for different categories.
|
Category |
Age |
Number of Attempts |
|
General |
21 - 32 Years |
6 |
|
OBC |
21 - 35 Years |
9 |
|
SC/ST |
21 - 37 Years |
Unlimited (within age limit) |
|
PwBD |
21 - 42 Years |
unlimited attempts up to age 47 |
UPSC Mains Exam Pattern
The UPSC Mains Exam consists of descriptive papers. Candidates must write answers in their chosen language medium.
The examination includes qualifying papers and merit-based papers.
|
Paper |
Subject |
Subject |
Counted for Merit? |
|---|---|---|---|
|
Paper A |
Indian Language |
300 |
No (qualifying) |
|
Paper B |
English |
300 |
No (qualifying) |
|
Paper I |
Essay |
250 |
Yes |
|
Paper II |
General Studies I |
250 |
Yes |
|
Paper III |
General Studies II |
250 |
Yes |
|
Paper IV |
General Studies III |
250 |
Yes |
|
Paper V |
General Studies IV |
250 |
Yes |
|
Paper VI |
Optional Subject, Paper 1 |
250 |
Yes |
|
Paper VII |
Optional Subject, Paper 2 |
250 |
Yes |
Papers I to VII total 1750 marks. The interview adds 275 more, and the grand total is 2025 marks, which decide your final rank. Written answers and not multiple-choice questions are asked on the paper, and each paper is of 3 hours' duration with no negative marking either.
Quick Tip: You must score a minimum of 25% in both Paper A and Paper B to qualify. If you fail to do this in either paper, your other answer sheets will not even be looked at.
UPSC Mains Syllabus Overview
The UPSC Mains syllabus covers history, polity, economy, science, ethics, and one optional subject of your choice. Here's a quick paper-by-paper breakdown.
UPSC Mains Exam Papers
|
Paper |
What It Mainly Covers |
|
Essay |
Essays on current issues or broad, abstract themes |
|
GS Paper I |
Indian heritage, history, society, and world geography |
|
GS Paper II |
Polity, governance, social justice, and international relations |
|
GS Paper III |
Economy, agriculture, science and technology, environment, and security |
|
GS Paper IV |
Ethics, integrity, and aptitude |
|
Optional Subject |
One subject chosen from a list of 48 options, split into two papers |
The optional subject carries 500 marks in total, so choose a subject you genuinely enjoy and one with easy-to-find study material.
Note: The syllabus has stayed fairly stable over the years, but always check the official notification for that year's exact version before you start preparing.
UPSC Mains Preparation Strategy
Preparing for the UPSC main examinations requires a smart study plan, regular practice, and consistent revision. Focus on understanding concepts instead of memorizing facts. A balanced preparation strategy will help you improve your knowledge, answer-writing skills, and confidence.
1. Build a Strong Foundation
Start by understanding the complete UPSC Mains syllabus and choose the right UPSC Mains books. Cover the General Studies Papers, Essay Paper, and UPSC Mains Optional Subject while following a realistic UPSC Main Study Plan. Reading UPSC Current Affairs daily is also essential.
2. Focus on Answer Writing Practice
The UPSC Mains Exam is descriptive, so regular UPSC Mains answer-writing practice is important. Solve UPSC Mains previous year question papers and take a UPSC Take the Mains test series to improve your writing style, presentation, and analytical thinking.
3. Improve Time Management
Create a daily study schedule and practice full-length UPSC Mains mock tests. Divide your time equally between general studies, optional subjects, essay writing, and revision to complete the paper within the allotted time.
4. Revise Regularly
Regular revision helps you remember important concepts for a longer time. Revise your UPSC Mains notes, update them with UPSC current affairs, and follow a proper UPSC revision strategy before the examination.
5. Analyze Previous Year Questions
Solving UPSC Mains Previous Year Question Papers help you understand the exam pattern, important topics, and answer expectations. Review your mistakes and improve your preparation based on the question trends.
Expert Tip: Prepare according to the UPSC Mains Syllabus and practice UPSC Main's answer writing regularly, revise consistently, and solve previous year question papers.
Common Mistakes to Avoid in the UPSC Mains Exam
Many aspirants repeat the same avoidable mistakes:
- Leaving answer-writing practice for the last month
- Ignoring the qualifying language papers, thinking they don't matter
- Writing long, unstructured answers instead of clear ones
- Poor time management during the actual exam
- Neglecting the optional subject until it's too late
Fixing even a few of these can meaningfully improve your score.
How to Apply for the UPSC Mains Exam
Once you clear the prelims, you don’t submit a new application. Instead, you complete the DAF, or Detailed Application Form. Let's see what that means.
Who Needs to Fill the DAF?
Candidates who qualify for the UPSC Prelims are required to fill out the DAF-I to be eligible to appear in the mains exam. If you clear Mains also, then you will fill out the DAF-II later, before your interview.
Documents Required
- Proof of date of birth (usually your Class 10 certificate)
- Educational certificates, including degree and mark sheets
- Category certificate, for SC, ST, OBC, or EWS (Economically Weaker Section) candidates
- PwBD certificate, if claiming disability-based relaxation
- A valid photo ID, such as Aadhaar, voter ID, or passport
Step-by-Step Application Process
- Visit the official UPSC website and find the DAF link.
- Log in using your roll number and prelims password.
- Fill in your personal, educational, and family details.
- Select your optional subject, exam centre, and language.
- Upload all required documents in the correct format.
- Review every detail carefully.
- Submit before the deadline in the notification.
Important: You usually can't edit the DAF once submitted, so check everything twice first.
FAQs
Q1. What is the UPSC Mains Exam?
Ans. The UPSC Mains Exam is the second stage of the Civil Services Examination. It is a descriptive written exam for candidates who qualify for the UPSC Prelims.
Q2. How many papers are there in UPSC Mains?
Ans. The UPSC Mains Exam consists of 9 papers, including 2 qualifying papers and 7 merit-based papers.
Q3. Is UPSC Mains descriptive or objective?
Ans. The UPSC Mains Exam is descriptive, requiring candidates to write detailed answers and essays.
Q4. What are the qualifying papers in UPSC Mains?
Ans. Paper A (Indian Language) and Paper B (English) are the qualifying papers. Their marks are not counted in the final merit.
Q5. How many marks are required to qualify for the interview?
Ans. There are no fixed qualifying marks. Candidates are shortlisted based on their UPSC Mains marks, category-wise cut-off, and available vacancies.