How to Revise the Entire UPSC Mains 2025 Syllabus in 2 Months

27th June, 2025

The UPSC Civil Services Examination is considered one of the most difficult exams in India. To pass this exam, you must be diligent, patient, and good at studying. The preliminary exam for 2025 ended, and the results are now available. Those who passed will be able to take the main exam. 

Those who want to take the UPSC Mains must now stick to a good strategy to get the best score possible. Newcomers and those who have never taken the UPSC exam often don't know what to do after the prelims, but experienced candidates do.

Smart work, not just hard work, is the key. In this blog, we will discuss a realistic two-month study plan that emphasizes important topics, efficient time management, and tried-and-true methods for passing the exam.

Mains Exam Pattern and Syllabus

There are two parts to the UPSC mains exam: qualifying papers, merit exams, and an optional paper. 

Qualifying Papers: Papers A and B, which are about Indian languages and English, will be qualifying papers of the Matriculation level or a similar level. People who live in Arunachal Pradesh, Manipur, Meghalaya, Mizoram, Nagaland, or Sikkim will not have to take Paper A, which is about the Indian language. The grades on these papers will not be used to decide who gets what. 

Merit Exams: Applicants' grades only for Papers I–VII will be used to determine their rank in order of merit. The Commission will be able to set minimum scores for any or all of these tests, though.

Optional Paper: Candidates taking the UPSC Mains Examination must choose an optional paper. There are two 250-point tests that make up the optional exam.

The Mains exam consists of a total of nine papers. Following table gives a list of all the Mains Papers: 

Sr No

Paper

Subject

Duration

Total marks

1. 

Paper A

Compulsory Indian language

3 hours

300

2. 

Paper B

English

3 hours

300

3. 

Paper I

Essay

3 hours

250

4. 

Paper-II

General Studies I

3 hours

250

5. 

Paper III

General Studies II

3 hours

250

6. 

Paper IV

General Studies III

3 hours

250

7. 

Paper V

General Studies IV

3 hours

250

8. 

Paper VI

Optional I

3 hours

250

9.

Paper VII

Optional II

3 hours

250

 

Sub Total

Written Test

 

1750

How to prepare for UPSC Mains 2025 in 2 months?

Analyze and Understand the Syllabus

Anyone hoping to take the UPSC mains exam should read up on the material before starting to study. It is expected that they are well-informed on the crucial subjects that need their attention. Prospective candidates would do well to study up on the subjects covered by the UPSC Mains Syllabus, which includes Economics, Science and Technology, and Politics.

Trim your syllabus 

The UPSC Mains exam covers a wide range of topics in just one paper, including history, geography, art and culture, society, and more, making for a lengthy syllabus. Post-Independence History of India is just one of many subjects that need less emphasis, as any aspirant worth their salt can tell by perusing the course outline.  While focusing on more critical subjects like globalization and disaster management, aspirants only need to review such material once. This will help them save time and make it easier to review the extensive UPSC Mains syllabus.

Establish a Reliable Timetable

Do not ever make hasty or unreasonable preparation plans for the UPSC. Whether you are a full-time student or a working professional, take into account your current schedule when creating a study schedule. Consider these things as you try to figure out how much time you have in a day. 

Analyze newspapers and current events

The following publications are recommended reading for candidates: Yojana, Kurukshetra, India Year Book, Economic Survey, Government Programs, and Current Affairs Notes. Because it is presented daily, the news should be read and understood daily by drawing connections to ongoing issues. Reading the newspaper is a must if you want to do well on the UPSC Mains 2023. Take a look at the editorial pages of any respectable national newspaper, like The Hindu or the Indian Express.

Solve and Practice Test series

To ensure you are well-prepared for the UPSC Main exams, it is recommended that you follow a test series. You can practice writing answers to important questions from the syllabus with this test series. As a general rule, candidates should sign up for or subscribe to test series, and they should make it a point to take practice tests for the Mains regularly. 

Enhance Your Answer Writing Practice

You must ensure that your UPSC Mains study schedule includes sufficient time for writing answers because the Mains paper is descriptive in nature. Dedicate one hour every day to preparing for tests. Find out how you are doing by having your seniors or mentors look over your answers. It's okay to write clumsy answers at first. Because repetition is the key to success, jot down as many answers as you can.

Focus on Conceptual Clarity and Contemporary topics

You need a strong conceptual foundation to ace the UPSC mains test. Focus on making sure you understand the material thoroughly in every subject you have to study for the test. Perform in-depth analysis and comprehension of the wide-ranging UPSC Contemporary topics; synthesize related subjects for efficient and up-to-date coverage.

Evaluate Yourself

Maintain a regular schedule of reviewing and evaluating your UPSC Mains preparation materials (Test Series). You can use this to find out if you're heading in the correct direction. If you want to do well on the UPSC Mains test, you should record your progress at each level as you go. 

Time Management and Staying Consistent (in 100 words)

  • Follow the 8–8–8 rule daily:

    • 8 hours for focused study

    • 8 hours for proper sleep

    • 8 hours for breaks, meals, light exercise, and relaxation

  • Use timer apps to maintain concentration and track time.

  • Keep your phone out of reach during study hours to avoid distractions.

  • Break study slots into 2-hour focused sessions with short breaks.

  • Stay in touch with mentors, peers, or seniors to stay accountable and encouraged.

  • Avoid burnout by ensuring rest and a steady routine daily.

UPSC Mains 2025 – 2-Month Preparation Timetable

Week

Days

Target Areas

Hours/Day

Key Focus Areas

Week 1

Day 1–3

GS Paper 1 (History, Art & Culture)

8–10 hrs

Modern India, Post-Independence, World History

Day 4–6

GS Paper 1 (Society, Geography)

8–10 hrs

Indian Society, Salient Features, Geography (Indian + World)

Day 7

Essay Writing Practice + Revision

6–8 hrs

Write 2 essays, revise GS1 content

Week 2

Day 8–10

GS Paper 2 (Polity, Constitution)

8–10 hrs

Governance, Constitution, Parliament, Judiciary

Day 11–13

GS Paper 2 (International Relations + Schemes)

8–10 hrs

India’s relations, Bilateral/Multilateral groupings

Day 14

Answer Writing Practice (GS1 + GS2)

6–8 hrs

Write 3–4 answers per paper, peer-review

Week 3

Day 15–17

GS Paper 3 (Economy, Agriculture)

8–10 hrs

Inclusive growth, Budget, Economic Survey, Agri reforms

Day 18–20

GS Paper 3 (Security, Environment, Disaster Mgmt)

8–10 hrs

Cybersecurity, Internal Security, Climate Change

Day 21

Essay Writing + Revision (GS2 & GS3)

6–8 hrs

Write 2 essays, GS revision through notes

Week 4

Day 22–25

GS Paper 4 (Ethics)

8–10 hrs

Case Studies, Ethics theory, Thinkers

Day 26–27

Optional Paper 1 – Subjectwise Revision

8–10 hrs

Complete Paper 1 core areas

Day 28

Answer Writing Practice (GS3 + GS4)

6–8 hrs

Ethics case study writing, peer review

Week 5

Day 29–31

Optional Paper 2 – Subjectwise Revision

8–10 hrs

Revise and consolidate concepts

Day 32–34

Full-Length Tests – GS Paper 1 & Paper 2

6–8 hrs

Attempt timed mock, analyze mistakes

Day 35

Essay Writing Practice

6–8 hrs

Write 2 new essays, evaluate through feedback

Week 6

Day 36–38

Full-Length Tests – GS Paper 3 & Paper 4

6–8 hrs

Attempt GS3/GS4 mocks with strict time

Day 39–41

Optional Test Series – Paper 1 & Paper 2

6–8 hrs

Write both papers, review with mentors

Day 42

Answer Writing Practice

6–8 hrs

Choose weak areas and practice answers

Week 7

Day 43–45

Final Revision – GS1, GS2

8 hrs

Focus on sticky topics, value-added points

Day 46–48

Final Revision – GS3, GS4

8 hrs

Use micro notes, Ethics diagrams & examples

Day 49

Essay Revision

6 hrs

Frame outlines for 8-10 topics

Week 8

Day 50–52

Final Revision – Optional Paper 1 & 2

8 hrs

Formulae, Facts, Thinkers, Diagrams

Day 53–54

GS Paper 1–4 Rapid Revision

8 hrs

One day for Paper 1 & 2, one for 3 & 4

Day 55–56

Rest & Light Revision

4–6 hrs

Focus on calmness, sleep, mental clarity

Time Management Tips for 30-Day UPSC Revision

Tip

Description

What to Do

1. Stick to the Plan

Avoid switching between resources in search of something “better.” It leads to confusion and wastes time.

- Use only the materials you've already studied.

- Revise class notes, summaries, and trusted resources like SRIRAM’s IAS.

- Avoid random YouTube videos and articles.

2. Avoid Distractions

Social media, unproductive chats, and mobile games can waste hours.

- Keep phone away while studying. Use apps like Forest or Focus Keeper.

- Disable notifications.

- Inform friends/family about your schedule.

- Use the internet only for purposeful revision.

3. Follow the 8-8-8 Rule

Maintain a balanced and sustainable routine: 8 hours study, 8 hours sleep, 8 hours breaks.

- 8 hrs Study: Focused, high-quality study time.

- 8 hrs Sleep: For retention and mental health.

- 8 hrs Break: For meals, chores, relaxation, and light exercise.

4. Prioritize Quality over Quantity

Studying longer doesn’t guarantee better results—smart revision matters more.

- Focus on 3–4 subjects daily for thorough revision.

- Use active recall: quizzes, flashcards, mind maps.

- Practice mocks and analyze mistakes.

- Aim for clarity and deep understanding.

5. Evening Revision (1–2 hrs)

Reinforce the day’s learning and improve retention.

- Reserve 1–2 hours every evening for quick revision.

- Use flashcards, sticky notes, or summary videos.

- Focus on weak areas or key facts from the day.

Last 10-Day Booster Plan

Day(s)

Activity

Details

Day 1–3

Revise from short notes and micro charts

Focus on your handwritten notes, one-pagers, flowcharts, and value-added content. Quickly flip through GS1–GS4 and Optional key areas.

Day 4–5

Attempt full-length mock tests

Choose any 1–2 GS or Optional papers. Simulate exam conditions (3 hours, no interruptions). Review your answers the same day. Focus on time management.

Day 6–7

Target weak spots + Essay revision

Go over questions or themes you’ve struggled with. Practice one essay per day. Prepare intro-outlines for 8–10 possible topics.

Day 8–9

Ethics & Case Studies polishing

Revisit major thinkers, quotes, and 15–20 model case studies. Practice ethical dilemmas and stakeholder mapping.

Day 10

Light revision + Mental calm

Flip through revision cards only. Sleep well. Pack your exam kit. Avoid discussions. Keep your mind calm and confident.

How to Trim and Prioritize the Syllabus

A smart revision strategy involves prioritizing topics based on their weightage, recurrence in previous year papers (PYQs), and overlap across General Studies papers. Some topics are central and asked every year. Others appear once in a while and can be skimmed over quickly.

High Priority Topics (Revise Deeply):

These topics consistently appear in papers and require conceptual clarity as well as value-added content.

  • Polity, Constitution, and Governance – Always asked in GS2; revise landmark judgments, constitutional articles, and governance concepts.

  • Indian Economy, Budget, and Economic Survey – Key areas in GS3. Focus on recent policies, growth trends, and data from official sources.

  • Environment, Agriculture, and Disaster Management – Important for GS3 and often linked with current affairs.

  • Ethics (theory and case studies) – GS4 is scoring if well-prepared. Practice both theory and real-life examples.

  • Essay themes like women, technology, governance – These appear across sections and improve Essay + GS scores.

  • Geography (maps, Indian physical features, resources) – Focus on location-based questions and conceptual clarity.

Low Priority Topics (Skim Once):

These topics should be revised quickly, mainly through summary notes.

  • Post-Independence India

  • World History (especially if you’re weak in it)

  • Some parts of Art and Culture

  • Internal Security (if already covered earlier)

Also, look for overlapping themes like:

  • Women-related issues

  • Climate Change and Environment

  • Urbanization and Governance

These topics are relevant across Essay, GS1, GS2, and GS3, so prepare notes that you can reuse across answers and save revision time.

Success Mantra for UPSC Mains 2025

  • Don’t chase perfection. Aim for consistency.

  • Use what you know well. Present it clearly.

  • Focus on writing better, not reading more.

  • Use your time wisely. Avoid distractions.

  • Stay calm and believe in your preparation.

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