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Table of content

  1. UPSC Exam Pattern for Prelims
  2. UPSC Exam Pattern for Mains
  3. UPSC Mains Subjects
  4. UPSC Optional Subjects
  5. UPSC CSE Pattern for Interview
  6. Negative Marking in UPSC
  7. UPSC Books

UPSC IAS Exam Pattern 2023 – Overview

Exam Name Civil Services Exam (UPSC CSE)
Exam Conducting Authority Union Public Service Commission
Examination Mode Offline
(UPSC Paper Pattern for Prelims- MCQ-based)
(UPSC Paper Pattern for Mains – Descriptive)
(Personality Test – Interview in front of board members)
Stages of UPSC exam
  • Prelims exam
  • Mains exam
  • Interview
Number of Papers in Exam Prelims: 2
Mains: 9
Marking Scheme for UPSC Prelims Exam Paper 1: +2 marks
Paper 2: +2.5 marks
Negative marking: One-third of marks allotted to each question
Exam Time-Duration Prelims: 2 hours (Each paper) total 4 hours
Mains: 3 hours (Each paper) total 27 hours conducted across various days
Question Paper Type Prelims: Objective type
Mains: Subjective type

UPSC Exam Pattern for Prelims 2023

Prelims paper name (Objective Type) Questions Total Marks Duration of the test
General Awareness (Paper I) 100 200
(Each question has equal weightage)
2 hours
CSAT (Aptitude Test) 80 200 2 hoursUPSC Prelims Syllabus

Also see:

Important Points for UPSC CSE Preliminary Exam Pattern

Paper One consists of the following topics- Paper two comprises questions related to-
Current Affairs Logical reasoning
Economics Comprehension
History Basic numeracy
Science and Technology Data interpretation
Geography

UPSC Exam Pattern for Mains

Paper A – One of the Indian languages to be selected by the candidate 300
Paper B – English 300

Papers to be counted for Merit List

Paper I Essay 250
Paper II General Studies I – Indian Heritage and Culture, History and Geography of the World and Society 250
Paper III General Studies II – Governance, Constitution, Polity, Social Justice and International relations 250
Paper IV General Studies III – Technology, Economic Development, Biodiversity, Environment, Security and Disaster Management 250
Paper V General Studies IV – (Ethics, Integrity and Aptitude 250
Paper VI Optional Subject – Paper 1 250
Paper VII Optional Subject – Paper 2 250
Personality Test 275
Total Marks 2025 
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Also check:

UPSC exam pattern & syllabus explained by expert educator

UPSC Mains Subjects

Check here the complete list of the UPSC Mains Subjects for English language and Indian Languages-

The aim of this exam is to test the ability of the candidates to understand the ask and express their ideas clearly.

The UPSC pattern of the question and topics for English Language is as follows –

Indian Language –

IAS Mains Essay – Paper-I

The candidates can write essays on different topics. They are supposed to write the essay in a way to arrange ideas in an orderly manner and write it concisely.

IAS Mains General Studies-I Subjects –

Indian Heritage and Culture, History and Geography of the World and Society

Indian Heritage:

World History:

Indian Society

Geography

IAS Mains General Studies-II Subjects –

Governance, Constitution, Polity, Social Justice and International Relations

Indian Constitution:

Indian Polity:

Social Justices:

Indian Governance:

International Relations:

IAS Mains General Studies-III Subjects –

(Technology, Economic Development, Bio-diversity, Environment, Security and Disaster Management)

Indian Economy:

Infrastructure:

Science and Technology:

Environment & Bio-diversity:

Security:

IAS Mains General Studies-IV Subjects –

Ethics, Integrity and Aptitude Ethics and Human Interface:

Attitude:

Aptitude:

Emotional Intelligence:

Public/Civil service values and Ethics in Public administration:

Probity in Governance:

UPSC Exam Tips

10 Tips to Develop a Great Focus/Concentration How to Prepare GS for UPSC CSE
Best Tips to Make Time by Waking Up Early in the Morning Last-Minute Tips to Crack UPSC CSE Prelims
Build Your English Vocabulary Note-Making Strategy & Tips for UPSC CSE Preparation
Hacks and Tricks for UPSC Prelims Time Management Tips for UPSC Aspirants
How to do Answer Writing for UPSC CSE/Answer Writing Tips Tips To Remember Dates In History
How to excel at UPSC Civil Service Exam UPSC Preparation Tips for Working Professionals
How to Prepare for UPSC without Coaching? What are the Smart Tips for Self Studying UPSC

UPSC Optional Subjects

Get here the list of the optional subjects in UPSC

Agriculture Philosophy
Animal Husbandry and Veterinary Science Physics
Anthropology Political Science & International Relations
Botany Psychology
Chemistry Public Administration
Civil Engineering Sociology
Commerce & Accountancy Statistics
Economics Zoology
Electrical Engineering Mathematics
Geography Mechanical Engineering
Geology Medical Science
History Management
Law  
Download UPSC Exam Pattern and Optional Subjects Syllabus Download

List of literature optional subjects in UPSC

The candidates can opt for the given literature subject as their optional for the UPSC Mains exam. There will be 2 papers of 250 marks each.

Assamese Oriya
Bengali Punjabi
Bodo Sanskrit
Dogri Santhali
Gujarati Sindhi
Hindi Tamil
Kannada Telugu
Kashmiri Urdu
Konkani English
Maithili Marathi
Malayalam Nepali
Manipuri  

UPSC CSE Pattern for Interview

The candidates who have qualified for the Civil Services Mains examination will be eligible for the final stage of the UPSC selection process which is Personality Test or Interview.

Also read: Mock Interview Videos of UPSC CSE 2021 Toppers

Negative Marking in UPSC

Prelims Marking Scheme

UPSC exam pattern and marking scheme are very different from other exams. Also, the candidates can easily get negative marks in the exams. So, the 3 incorrect answers will lead you to approximately 2 marks of deduction. The candidates will get a 1/3rd mark deducted for incorrect answers.

Paper No of question Marks Negative Marks
General Studies I 100 200 0.66
General Studies II (CSAT) 80 200 0.83

Mains Marking Scheme

Important Links:

MPSC Previous Year Question Paper UPSC Previous Year Paper Book
How to Prepare for UPSC UPSC Question Paper 2020
UPSC Preparation With Job UPSC Question Paper 2022
How to Prepare for UPSC Interview UPSC Exam Paper
How to Start UPSC Preparation From Zero Level UPSC Online Coaching
UPSC Exam Paper Pattern UPSC Online Coaching Free
UPSC Question Paper 2019 UPSC Previous Year Paper in Hindi
UPSC Notes Free UPSC Test Series
UPSC Preparation Books UPSC Syllabus PDF in Hindi

UPSC Books

Here’s a subject-wise list of the best books you can refer to when preparing for UPSC exams.

Subject List of Books
History 1. India’s Struggle for Independence – Bipan Chandra

2. Modern India by Rajiv Ahir (Spectrum Publications)

3. Indian Art and Culture by Nitin Singhania

4. NCERT Class 11 – Introduction to Indian Art

5. History: NCERT Class VI – Our Past

6. History: NCERT Class VII – Our Past -I

7. History: NCERT Class XII – Themes In Indian History – I

6. History: NCERT Class XII – Themes in Indian History – II

7. History: NCERT Class XII – Themes In Indian History – III

8. Ancient Indian History by R.S. Sharma

9. Medieval Indian History by Satish Chandra

10. History of the World by Arjun Dev

11. India Since Independence by Bipan Chandra

Geography 1. Certificate Physical Geography by G C Leong

2. Geography NCERTs class XI, XII

3. World Atlas by Orient Black Swan/Oxford

4. Indian Geography by Majid Hussain

Polity 1. Indian Polity – by M. Laxmikanth

2. Introduction to the Constitution of India by D. D. Basu

Economy 1. Indian Economy – by Ramesh Singh

2. Indian Economy Key Concepts – by Sankarganesh Karuppiah

3. NCERT Economics Class 11

4. NCERT Economics Class 12

Science and Technology 1. Science and Technology – by Ravi P. Agrahari
International Relations 1. NCERT XII (Contemporary World Politics)

2. International Relations – by Pavneet Singh

Ethics, Integrity, and Aptitude 1. Lexicon for Ethics, Integrity & Aptitude by Niraj Kumar

2. Ethics, Integrity, and Aptitude by Awdesh Singh

3. Ethics, Integrity & Aptitude – by G Subba Rao & P N Roy Chowdhury

CSAT 1. Verbal & Non-Verbal Reasoning by R. S. Aggarwal
Indian Society 1. Social Problems In India by Ram Ahuja
Internal Security 1. Challenges to Internal Security of India by Ashok Kumar and Vipul 

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