CDS Exam Pattern 2025: Check CDS 1 & 2 Paper Pattern

Combined Defence Services Exam 2025 ( CDS )

DeskCalelnderExam On - 13 Apr '25

Shikha Goyal
Updated on Jan 13, 2025 12:02 IST

By Shikha Goyal, Assistant Manager

CDS exam pattern 2025: The Union Public Service Commission (UPSC) specifies the CDS exam pattern for the written exam and SSB Interview. UPSC lays the best career option for candidates who want to become a commissioned officer in the Indian Defence Forces. The candidate who wants to qualify for the CDS exam must go through the exam pattern and syllabus of the CDS exam. 

The CDS 1 2025 exam will be held on April 13, 2025. CDS exam patterns for the INA, AFA, and IMA are similar but the CDS OTA exam pattern is slightly different from the other three. The CDS exam 2025 will be conducted in two stages, the written exam and the SSB interview. The CDS exam is an offline exam conducted in pen paper-based format. The CDS marking scheme, negative marking, total marks, exam timing, and the paper pattern for the IMA, INA, AFA, and OTA are available below for the CDS exam. 

Also Read: CDS OTA Syllabus 2025

Q:   What is the exam pattern for CDS 2025 exam?

A: 

The CDS exam pattern has been divided into two categories- Indian Military Academy (IMA), Indian Naval Academy (INA) and Air Force Academy (AFA) and Officers Training Academy (OTA). The exam taken for the IMA, INA, AFA is taken for three subjects- General Awareness, Mathematics and English. On the other hand, the OTA exam is taken for two subjects- English . and General Awareness. The exam pattern for these categories have been given below for the candidates: For IMA, INA and AFA: a)Total Number of Subjects: English. Elementary Mathematics and General Knowledge b) Time Duration: Six hours (2 hours for each paper) c) Maximum Marks: 300 marks (100 marks for each paper) For OTA: a) Total Number of Subjects: English . and General Knowledge b) Time Duration: Four hours (2 hours for each paper) c) Maximum Marks: 200 Marks (100 marks for each paper). .

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Q:   What is the pattern for CDS written exam?

A: 
The CDS (Combined Defence Services) written exam consists of three papers English General Knowledge, and Elementary Mathematics. The details of the pattern for each paper are as follows: English: The English paper is of 2 hours duration and carries a total of 100 marks. It tests the candidate's proficiency in the English language and includes questions on comprehension, synonyms, antonyms, error detection, sentence rearrangement, and fill in the blanks. General Knowledge: The General Knowledge paper is of 2 hours duration and carries a total of 100 marks. It tests the candidate's knowledge of current events, history, geography, and other topics related to India and the world. Elementary Mathematics: The Elementary Mathematics paper is of 2 hours duration and carries a total of 100 marks. It tests the candidate's knowledge of elementary mathematics, including topics such as arithmetic, Algebra geometry, and Trigonometry. All the papers are objective type and consist of multiple-choice questions (MCQs). The standard of the papers is that of a graduate-level examination. It is important to note that there is negative marking for wrong answers in the CDS written exam. One-third of the marks assigned to a question will be deducted for each wrong answer. Therefore, candidates should prepare well and practice solving mock tests and previous year question papers to score well in the CDS written exam and increase their chances of selection.
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Q:   What is QPReP in CDS exam?

A: 
QPReP stands for "Question Paper Representation and Practice Platform". It is an online platform developed by the UPSC for candidates appearing in various competitive exams, including the CDS exam. The QPReP platform provides candidates with the opportunity to practice and familiarize themselves with the exam format and pattern. It contains a pool of mock test papers that are designed to simulate the actual exam and cover all the topics and subjects included in the syllabus. The platform also provides instant feedback and performance analysis to help candidates identify their strengths and weaknesses and improve their preparation. The QPReP platform is available to all registered candidates for the CDS exam and can be accessed through the UPSC's official website. Candidates can log in to their account and choose the mock test papers they wish to attempt. The platform also allows candidates to customize the test papers according to their preferences, such as the number of questions, difficulty level, and time limit. Overall, QPReP is a useful tool for candidates appearing in the CDS exam to enhance their preparation and increase their chances of success.
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Highlights of CDS Exam Pattern 2025

Candidates can check in brief, the exam pattern of the CDS exam as mentioned below:

Parameters Details

Mode of exam

Offline

Number of sections

Indian Military Academy (IMA), Indian Naval Academy (INA) and Air Force Academy (AFA)-Three

Officers’ Training Academy (OTA)-Two

Total marks of the test

IMA, INA, and AFA-300

OTA-200

Nature of questions

Objective type

Language of question paper

Hindi and English

Duration of the test

Two hours for each section of the test

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CDS Exam Pattern for INA, AFA, IMA

The candidates appearing for the CDS exam to become defence personnel through INA, IMA and AFA must know the exam pattern. The candidates can understand the exam with a better perspective if they know the exam pattern. The UPSC CDS exam pattern has been given below for INA, IMA, and AFA:

  • The written exam for IMA, INA, and AFA comprises three sections: English, General Knowledge, and Elementary Mathematics
  • The total exam duration for IMA, INA, and AFA is six hours (each section is for two hours)
  • The total marks of the test for IMA, INA, and AFA are 300

CDS Exam Pattern for Written Test

The candidate can check the CDS written test exam pattern in the table below:

CDS Exam Pattern 
Mode of Exam  Offline
Number of Subjects  3
Name of Subjects  English, General Awareness, and Maths
Total Marks 300 marks
Time Duration 6 hours
Type of exam Objective 
Medium of Exam Bilingual (Hindi and English)
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CDS Exam Pattern OTA

OTA (Officers Training Academy) has a different exam pattern as compared to the IMA, INA, and AFA exams. The exam pattern for the UPSC CDS OTA exam has been given below for the candidates to know the intricate pattern of the exam easily:

  • The written exam for OTA comprises two sections: English and General Knowledge
  • The total exam duration for OTA is four hours (each section is for two hours)
  • The total marks of the test for OTA are 200
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Structure of CDS Question Paper

The structure of the CDS question paper for IMA, INA, AFA, and OTA is as follows: 

IMA, INA, AFA

Subject

Duration (In hours)

Maximum Marks

English

100

General Knowledge

100

Elementary Mathematics

100

OTA

Subject Duration (In hours) Maximum Marks

English

100

General Knowledge

100

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CDS Negative Marking

For a better understanding of the marking system of the CDS exam, the marking scheme of the CDS exam is given below. The candidates can go through the points to understand the exam marking scheme. The section-wise marking scheme has also been given for the candidate's ease on the page below.

  • For the incorrect answer, 1/3 mark is deducted
  • Candidates marking more than one option are treated as incorrect 
  • If a question is left unanswered, there will be no negative marking 

Section Wise Marking Scheme

The section-wise marking scheme of the CDS exam has been given below for the candidates. The section-wise marking scheme will help the aspirants to understand the complex structure of the marking scheme: 

Specifications  English  GK  Mathematics 
Maximum marks 100 100 100
Marks for the correct answer +1 mark for each correct option +1 mark for each correct option +1 mark for each correct option
Negative marking -0.33 marks for each wrong answer -0.33 marks for each wrong answer -0.33 marks for each wrong answer

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CDS Exam Pattern 2025 for SSB Interview

The SSB Interview for IMA, INA, and AFA is for 300 marks each while for OTA, it is 200. The SSB Interview procedure consists of two stages: I and II. Only those candidates who qualify the stage I are permitted to appear in stage II. The details of both stages are given below: 

  • Stage I comprises Officer Intelligence Rating (OIR) tests and Picture Perception Description Test (PP&DT)
  • Stage II comprises Interviews, Group Testing Officer Tasks, Psychology Tests, and Conferences. These tests are conducted over days
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CDS Previous Years' Paper Analysis

The previous years' paper analysis for the CDS exam is given below. This analysis will help candidates to know the types of questions asked in the exam.

English

The English question paper is designed to test the candidates' understanding of the English language. 

English No. of Questions

Cloze Test

10

Preposition & Determinants

10

Completion of Sentence

10

Antonyms

10

Part of Speech

10

Spotting Error

10

Ordering of Word in a Sentence

10

Fill in the Blanks

10

Synonyms

10

Idioms & Phrases

10

Ordering of Sentences

10

Total

120

Elementary Maths

The distribution of questions in this subject is given below.

Topic No. of Questions

Mensuration

14

Geometry

20

Algebra

7

Number system

20

Trigonometry

14

Average/Statistics

4

Time and Work

3

Speed & Distance

6

Simple Interest and Compound Interest

5

Percentage

2

Clock

2

Profit and Loss

1

Mixture and allegation

1

Set Theory

1

Total

100

General Awareness

The distribution of questions in GK paper is given below.

Subjects No. Of Questions

Geography

16

History

24

Economy

11

Polity

17

Physics

11

Chemistry

17

Biology

7

Current Affairs

18

Static/Misc.

2

Total

120

Also Read: CDS Exam Analysis 

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Instructions to fill CDS Answer Sheet

The candidates appearing for the CDS  exam must know the instructions to fill out the CDS exam answer sheet so that they do not make any mistakes while filling out the OMR answer sheet. The instructions to fill out the answer sheet are given below.

  • As soon as the candidate receives the answer sheet, they should check that it is numbered at the bottom. If it is found un-numbered they should at once get it replaced by a numbered one
  • Candidates should write with a black ball pen the name of the centre and subject in English or Hindi
  • The test booklet series is indicated by Alphabets A, B, C, or D at the top right-hand corner of the booklet
  • Write roll numbers exactly as it is in your e-Admission Certificate with a black ball pen in the boxes provided for this purpose. Do not omit any zero(s) which may be there
    The next step is to find out the appropriate subject code from the Time Table
  • Encode the Test Booklet Series, Subject Code, and Roll Number in the circles provided for this purpose. Do the encoding with a black ball pen. The name of the Centre need not be encoded
    Writing and encoding of the Test Booklet Series is to be done after receiving the Test Booklet and confirming the Booklet Series from the same
Read more
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CDS Syllabus 2025

The standard of the papers in Elementary Mathematics is of Matriculation level. The standard of papers in other subjects is approximately such as may be expected of a graduate of an Indian University. The question paper is designed to test the candidates’ understanding of English and workmanlike use of words. General Knowledge includes knowledge of current events and such matters of everyday observation and experience in their scientific aspects as may be expected of an educated person who has not made a special study of any scientific subject. The paper also includes questions on the History of India and the Geography of nature which the candidate should be able to answer without special study. Candidates can check the topics included in the CDS syllabus.

Subjects  Topics 
English  The question paper is designed to test the candidates’ understanding of
English and Grammar
General Knowledge  Economics, Physics, General Awareness, Politics, History, Geography, Sociology, etc. 
Elementary Mathematics  Arithmetic, Algebra, Trigonometry, Geometry, Mensuration, Statistics, etc.
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CDS Best Preparation

The candidates preparing for the CDS exam must go through the CDS best books for the preparation. The list of the CDS books been given below for the candidates in the table :

Name of Books Subject Author/Publications
Objective General English English S.P Bakshi (Arihant Publications)
Manorama Year Book General Awareness Philip Mathew
Quantitative Aptitude for Competitive Exam  Quantitative Aptitude R.S Aggarwal
Other Defence Exam Patterns
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