UPSC Syllabus: Prelims, Mains, Interview, Eligibility & Exam Pattern

Preparing for the UPSC Civil Services Examination (CSE) ? This complete UPSC guide by Meer Sir Academy explains the UPSC eligibility criteria, age limit, number of attempts, application procedure, Prelims syllabus, Mains syllabus, optional subjects, Interview/Personality Test, marking scheme and final selection process.

The Civil Services Examination is conducted by the Union Public Service Commission (UPSC) for recruitment to the IAS, Indian Foreign Service, IPS and various other Civil Services.

For candidates beginning their UPSC preparation, the complete selection process can be understood as:

UPSC Prelims → UPSC Mains Written Examination → Interview/Personality Test → Final Merit → Service Allocation

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UPSC Civil Services Examination 2026 – Overview

UPSC Eligibility Criteria 2026

Before applying for the Civil Services Examination, candidates should carefully check their nationality, age, educational qualification, number of attempts and other applicable eligibility conditions.

UPSC Age Limit

For UPSC CSE 2026, a candidate must have attained the age of 21 years and must not have attained the age of 32 years on 1 August 2026, subject to applicable age relaxations.

For the 2026 examination, the basic date-of-birth range is therefore:

Not earlier than 2 August 1994 and not later than 1 August 2005.

UPSC Age Relaxation

Candidates belonging to special categories should verify the exact conditions in the current UPSC notification before applying.

Educational Qualification for UPSC

A candidate must possess a graduate degree or equivalent qualification recognised under the eligibility provisions prescribed by UPSC.

Students awaiting the result of their qualifying examination may also be eligible subject to the conditions and documentary requirements specified by UPSC.

This means that candidates from Arts, Science, Commerce, Engineering, Medicine, Law and other recognised graduation backgrounds can potentially apply if they satisfy the prescribed eligibility conditions.

How Many Attempts Are Allowed in UPSC?

The number of attempts varies according to category.

An attempt is generally counted when the candidate actually appears in any one paper of the Preliminary Examination.

UPSC Selection Process 2026

The UPSC Civil Services selection process has three major stages.

Stage 1 – UPSC Preliminary Examination

Prelims is an objective-type screening examination used to shortlist candidates for Mains.

Stage 2 – UPSC Civil Services Main Examination

The Main Examination is descriptive and consists of written papers testing Essay, General Studies, optional-subject knowledge and language competence.

Stage 3 – UPSC Interview/Personality Test

Candidates qualifying the written Mains examination are called for the Personality Test/Interview.

The final merit list is based on:

Mains Written: 1750 Marks + Interview: 275 Marks = 2025 Marks

Prelims marks are not added to the final merit score.

UPSC Prelims Exam Pattern

The UPSC Preliminary Examination consists of two compulsory objective papers.

Both papers are compulsory.

Negative Marking in UPSC Prelims

Wrong answers attract a penalty of one-third of the marks assigned to the question, according to the prescribed UPSC scheme.

There is no negative marking for questions that are left unanswered.

UPSC Prelims Syllabus 2026

General Studies Paper I Syllabus

The UPSC Prelims General Studies Paper I syllabus covers:

• Current events of national and international importance
• History of India
• Indian National Movement
• Indian and World Geography
• Physical Geography
• Social and Economic Geography
• Indian Polity and Governance
• Constitution
• Political System
• Panchayati Raj
• Public Policy
• Rights Issues
• Economic and Social Development
• Sustainable Development
• Poverty
• Inclusion
• Demographics
• Social Sector Initiatives
• Environmental Ecology
• Biodiversity
• Climate Change
• General Science

UPSC CSAT Syllabus – General Studies Paper II

CSAT covers:

• Comprehension
• Interpersonal skills
• Communication skills
• Logical reasoning
• Analytical ability
• Decision-making
• Problem-solving
• General mental ability
• Basic numeracy
• Data interpretation

Basic numeracy and data interpretation are prescribed broadly at Class X level.

Is CSAT Qualifying?

Yes. General Studies Paper II (CSAT) is qualifying with a minimum qualifying standard of 33%.

However, candidates should not ignore CSAT simply because its marks are not used for determining the Prelims merit cut-off.

UPSC Mains Exam Pattern

UPSC Mains contains nine written papers.

Two are qualifying language papers, while seven papers contribute to the merit score.

Total UPSC Mains Merit Marks: 1750

The marks obtained in the qualifying language papers are not added to the final ranking.

UPSC Mains Syllabus 2026

Paper I – Essay

Candidates may be required to write essays on multiple topics.

UPSC evaluates the candidate's ability to remain relevant to the subject, organise ideas systematically, express arguments effectively and write concisely and clearly.

UPSC GS Paper 1 Syllabus

General Studies I: Indian Heritage & Culture, History & Geography of the World and Society

Major areas include:

• Indian culture
• Art forms
• Literature
• Architecture
• Modern Indian History
• Indian Freedom Struggle
• Post-independence consolidation and reorganisation
• World History
• Industrial Revolution
• World Wars
• Colonisation and decolonisation
• Political philosophies
• Indian Society
• Diversity of India
• Women and women's organisations
• Population
• Poverty
• Urbanisation
• Globalisation
• Social empowerment
• Communalism
• Regionalism
• Secularism
• World Physical Geography
• Natural resources
• Industrial location
• Earthquakes
• Tsunamis
• Volcanic activity
• Cyclones and other geophysical phenomena

UPSC GS Paper 2 Syllabus

General Studies II: Governance, Constitution, Polity, Social Justice & International Relations

Important areas include:

• Indian Constitution
• Constitutional evolution and features
• Amendments
• Basic Structure
• Union-State relations
• Federalism
• Separation of powers
• Parliament
• State Legislatures
• Executive
• Judiciary
• Ministries and Departments
• Pressure groups
• Representation of the People Act
• Constitutional bodies
• Statutory bodies
• Regulatory bodies
• Quasi-judicial bodies
• Government policies
• Welfare schemes
• Vulnerable sections
• Health
• Education
• Human resources
• Poverty and hunger
• Governance
• Transparency and accountability
• E-governance
• Citizens' Charters
• Role of civil services
• India and its neighbourhood
• Bilateral relations
• Regional and global groupings
• Indian diaspora
• International institutions

UPSC GS Paper 3 Syllabus

General Studies III: Technology, Economic Development, Biodiversity, Environment, Security & Disaster Management

Major topics include:

• Indian Economy
• Planning
• Growth and development
• Employment
• Inclusive growth
• Government budgeting
• Agriculture
• Cropping patterns
• Irrigation
• Agricultural marketing
• MSP
• Subsidies
• PDS
• Food security
• Food processing
• Land reforms
• Liberalisation
• Infrastructure
• Investment models
• Science and Technology
• IT
• Space
• Robotics
• Nanotechnology
• Biotechnology
• Intellectual Property Rights
• Environment
• Pollution
• Environmental degradation
• Environmental Impact Assessment
• Disaster Management
• Internal Security
• Extremism
• Cyber Security
• Money Laundering
• Border Security
• Organised Crime
• Terrorism
• Security forces and agencies

UPSC GS Paper 4 Syllabus

General Studies IV: Ethics, Integrity & Aptitude

Major areas include:

• Ethics and Human Interface
• Human Values
• Attitude
• Moral and Political Attitudes
• Social Influence
• Persuasion
• Aptitude
• Integrity
• Impartiality
• Non-partisanship
• Objectivity
• Dedication to Public Service
• Empathy
• Tolerance
• Compassion
• Emotional Intelligence
• Moral Thinkers and Philosophers
• Ethics in Public Administration
• Ethical Dilemmas
• Accountability
• Ethical Governance
• Corporate Governance
• Probity in Governance
• Right to Information
• Codes of Ethics
• Codes of Conduct
• Citizens' Charters
• Work Culture
• Public Service Delivery
• Utilisation of Public Funds
• Corruption
• Ethics Case Studies

UPSC Optional Subjects

Candidates choose one optional subject, consisting of two papers of 250 marks each.

Therefore:

Optional Paper I: 250 Marks
Optional Paper II: 250 Marks
Total Optional Marks: 500

Available subjects include Agriculture, Anthropology, Botany, Chemistry, Civil Engineering, Commerce & Accountancy, Economics, Geography, History, Law, Management, Mathematics, Medical Science, Philosophy, Physics, Political Science & International Relations, Psychology, Public Administration, Sociology, Statistics, Zoology and other subjects prescribed by UPSC, including approved literature subjects.

Candidates should select an optional after considering their interest, aptitude, syllabus familiarity and ability to sustain preparation—not merely because an optional is popularly described as “high scoring.”

UPSC Interview/Personality Test

Candidates who qualify the Main written examination are called for the UPSC Interview/Personality Test.

Interview Marks: 275

The Personality Test is designed to assess a candidate's suitability for a career in public service.

UPSC considers qualities such as:

• Mental alertness
• Critical powers of assimilation
• Clear and logical exposition
• Balance of judgement
• Variety and depth of interests
• Ability for social cohesion
• Leadership
• Intellectual integrity
• Moral integrity
• Awareness of current affairs

The Interview should therefore not be treated merely as another general-knowledge examination.

UPSC Final Merit Calculation

The final UPSC score is calculated as follows:

Prelims marks are not included in final merit.

The qualifying Indian Language and English paper marks are also not added to the final ranking.

UPSC Application Procedure

Candidates should complete the application process through UPSC's prescribed online system.

The broad process includes:

Registration → Application Form → Examination-Specific Details → Document/Information Submission → Examination Centre → Fee, where applicable → Final Submission → e-Admit Card → Preliminary Examination

Candidates qualifying Prelims subsequently complete the requirements prescribed for the Main Examination.

Those qualifying the written Mains examination complete the applicable documentation and Personality Test requirements.

Always follow the current official UPSC notification because application procedures and portal requirements can change.

How to Prepare for UPSC Prelims, Mains and Interview

Meer Sir Academy recommends integrated UPSC preparation rather than preparing Prelims and Mains as completely separate examinations.

Foundation Stage

Build strong fundamentals in:

History + Polity + Geography + Economy + Environment + Science & Technology + Current Affairs

Prelims Preparation

Focus on conceptual clarity, repeated revision, MCQ practice, elimination techniques, current affairs and mock tests.

CSAT Preparation

Do not postpone CSAT preparation. Candidates who are weak in mathematics, comprehension or reasoning should practise it regularly.

Mains Preparation

Mains preparation requires:

Conceptual Knowledge + Current Affairs + Analytical Thinking + Answer Writing + Revision

Begin answer-writing practice before Prelims rather than waiting until after the Prelims result.

Optional Subject

Select your optional carefully and try to complete its core syllabus well before the Main Examination.

Interview Preparation

Interview preparation should include:

Profile/DAF Preparation + Current Affairs + Academic Background + Home State/District + Hobbies/Interests + Situational Questions + Communication + Mock Interviews

UPSC Preparation at Meer Sir Academy

Meer Sir Academy provides structured guidance for students preparing for competitive examinations, including UPSC Civil Services preparation.

UPSC aspirants can focus on:

Foundation Classes | Prelims Preparation | CSAT | General Studies | Current Affairs | Mains Answer Writing | Optional Guidance | Essay | Ethics | Mock Tests | Interview Guidance

The objective should not be to collect unlimited study material. A serious UPSC strategy requires a limited source base, repeated revision, consistent practice and examination-oriented preparation.

Frequently Asked Questions About UPSC

What is the minimum qualification for UPSC?

A candidate generally needs a graduate degree or equivalent qualification, subject to the conditions prescribed by UPSC.

What is the age limit for UPSC CSE 2026?

The basic age requirement is 21 to below 32 years as on 1 August 2026, subject to applicable category relaxations.

How many attempts are allowed for General category candidates?

General category candidates have 6 attempts, subject to the applicable age limit.

How many attempts does an OBC candidate get?

Eligible OBC candidates have 9 attempts, subject to the applicable age limit.

How many attempts are available for SC/ST candidates?

SC/ST candidates have unlimited attempts within their applicable age limit.

Is UPSC Prelims counted in final merit?

No. Prelims is a screening stage. Its marks are not added to the final merit score.

Is CSAT qualifying?

Yes. UPSC Prelims General Studies Paper II, commonly called CSAT, is qualifying with a minimum of 33%.

How many papers are there in UPSC Mains?

There are nine written papers: two qualifying language papers and seven papers counted for merit.

How many marks are there in UPSC Mains?

The seven merit papers carry 1750 marks.

How many marks is the UPSC Interview?

The UPSC Personality Test carries 275 marks.

What are the total marks for final UPSC merit?

1750 Mains + 275 Interview = 2025 marks.

Which optional subject is best for UPSC?

There is no universally best optional subject. Candidates should consider their academic background, interest, understanding of the syllabus, availability of reliable resources and their ability to write quality answers.

Free Download UPSC Syllabus – Detailed Guide

Meer Sir Academy has prepared a detailed guide covering UPSC eligibility, Prelims, Mains, Interview, exam pattern and syllabus