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Ans. For IMA, INA and AFA CDS Exam consists subjects which are General Knowledge, Mathematics, and English. For OTA, the subjects are just General Knowledge and English.
Q2. Who can apply for the CDS Exam 2025?
Ans. Candidates that are graduated from any recognized university can apply for CDS Examination.
Q3. What is the Age limit to apply for the CDS Examination?
Ans. For CDS Examination i.e., 19 to 24 years for the Indian Military Academy (IMA) and Indian Naval Academy (INA) application, 20 to 24 years for the Indian Air Force Academy (AFA) application, and 19 to 25 years for Officers Training Academy (OTA).
Q4. Where can I find CDS Syllabus 2025 PDF?
Ans. Candidates can download CDS Syllabus 2025 through direct link provided in this article.
Q5. What level of mathematics questions are asked in the CDS exam?
Ans. The mathematics questions asked for CDS Examination is up to class 10th standard.
UPSC CDS Syllabus 2025 covers topics in subjects like English, General Knowledge, and Mathematics. Students targeting to appear in CDS 2 should review CDS Syllabus and Exam Pattern to start exam preparation.
Nigam Sharma14 Jul, 2025
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CDS Syllabus 2025: UPSC will conduct CDS 2 Exam on 14th September 2025. Aspirants willing to appear in CDS 2 Written Test should check the syllabus and exam pattern. CDS Syllabus 2025 covers a detailed topic-wise distribution of English, GK, and Maths. Then, review the exam pattern covers section-wise weightage, marking scheme, time, and sections. It gives an idea to the candidates regarding CDS 2 Exam 2025. Begin the CDS 2 exam preparation after knowing the syllabus topics and exam pattern.
CDS Syllabus 2025
Candidates should have a proper understanding of the CDS Syllabus 2025. The Written Exam subjects are English, Maths, and General Knowledge. Start the exam preparation after knowing the CDS Syllabus Topics. There are multiple-choice questions asked in the offline written test. Still, qualifying in any competitive exam like CDS demands planning and execution. Give time to check the CDS Syllabus and Paper Pattern. It gives an idea related to the CDS Written Test. The information provided in the CDS Exam Pattern includes subjects, marks, section-wise weightage, time, and marking scheme. Candidates planning to appear in CDS should know the syllabus and paper pattern to start with the preparation.
CDS Syllabus 2025 Overview
CDS Syllabus 2025 Overview
Conducting Authority
Union Public Service Commission (UPSC)
Exam Name
Combined Defence Services (CDS)
Mode of Exam
Offline
CDS Exam Date
14th September 2025
Number of Sections
For the Indian Military Academy (IMA), Indian Naval Academy (INA), and Air Force Academy (AFA) – Three
For Officers’ Training Academy (OTA) – Two
Total Marks of the Test
IMA, INA, and AFA – 300
OTA - 200
Nature of Paper
Objective Type
Language of CDS Question Paper
Hindi and English
Duration of CDS Exam
2 hours each
Official Website
www.upsc.gov.in
CDS Syllabus 2025 PDF Download
Having a detailed understanding of the CDS Exam Syllabus is crucial for candidates as it enables them to develop a clear vision and effective action plan for their exam preparation. It is important to note that only those who pass the written test are eligible for the SSB Interview stage.
The CDS Syllabus 2025 includes English, General Knowledge, and Elementary Mathematics for admission to the Indian Naval Academy, Indian Military Academy, and Air Force Academy. However, the syllabus for admission to the Officers' Training Academy focuses solely on English and General Knowledge subjects. For a detailed understanding of the specific topics covered in each subject, please refer to this article. The CDS Syllabus in PDF format is available below to download, covering subjects such as General Knowledge, English, and Mathematics.
CDS Syllabus English: To enhance their performance in the English Section, candidates are advised to cultivate a habit of daily newspaper reading. They should identify challenging words and seek their meanings, thereby improving both their vocabulary and comprehension of passages. This section aims to evaluate candidates' proficiency in English and their capacity to use the language effectively and professionally.
CDS English Syllabus 2025
Reading Comprehension Questions.
Spotting the Error Questions.
Fill in the blank questions.
Synonyms & Antonyms Questions.
Idioms and Phrases Questions.
Sentence Arrangement or Jumbled Questions.
Ordering of words in Sentence Questions.
Sentence Improvement or Sentence Correction Questions
CDS Syllabus for Mathematics
CDS Syllabus Mathematics: The CDS Mathematics Syllabus consists of topics such as arithmetic, trigonometry, geometry, measurements, statistics, and more. To enhance preparation and achieve favorable outcomes in this paper, consistent practice and dedicated efforts are necessary. Applicants need to maintain both accuracy and speed to answer the questions within the allotted time frame. For a comprehensive understanding of the syllabus, referring to the provided table for the mathematics syllabus of the CDS 2 2025 Exam is recommended.
CDS Maths Syllabus
Arithmetic
Number System
Natural numbers, Integers, Rational and Real numbers.
Fundamental operations, addition, subtraction, multiplication, division, Square roots, and Decimal fractions.
Unitary method, time and work, time and distance, percentages.
Applications of profit and loss, simple and compound interest, ratio and proportion, and variation.
Elementary Number Theory
Division algorithm.
Prime and composite numbers.
Tests of divisibility by 2, 3, 4, 5, 9 and 11.
Multiples and factors.
Factorisation Theorem.
H.C.F. and L.C.M.
Euclidean algorithm.
Logarithms to base 10, use of logarithmic tables, laws of logarithms.
Algebra
Basic operations and Simple factors,
Remainder Theorem.
H.C.F. and L.C.M.
Theory of polynomials, the relation between its roots and coefficients (Only real roots to be considered), solutions of quadratic equations.
Simultaneous linear equations in two unknowns — analytical & graphical solutions.
Simultaneous linear inequalities in two variables & their solutions.
Practical issues with solutions that result in two simultaneous linear equations, inequalities in two variables, or quadratic equations in one variable.
Set notation and set language.
Rational expressions and conditional identities.
Laws of indices.
Trigonometry
Sine x, cosine x, Tan x when 0° < x < 90° , Values of sin x, cos x & tan x, for x = 0°, 30°, 45°, 60° & 90°.
Simple trigonometric identities.
Use of trigonometric tables.
Simple cases of heights and distances.
Geometry
Plane and plane figures, Lines and angles, Theorems on:
Properties of angles at a point
Parallel lines
Sides and angles of a triangle
Congruence of triangles
Similar triangles
Concurrence of medians and altitudes
Properties of sides, angles, and diagonals of a rectangle, parallelogram, and square
Circles and their properties, including tangents and normals
Loci
Mensuration
Areas of parallelograms, squares, rectangles, triangles, and circles.
Areas of figures can be split up into these figures (Field Book), lateral surface and volume of right circular cones and cylinders, Surface area and volume of cuboids, and surface area and volume of spheres.
Statistics
Collection and tabulation of statistical data.
Graphical representation of frequency polygons, bar charts, histograms, pie charts, etc.
Measures of central tendency.
CDS Syllabus for General Knowledge
CDS Syllabus General Knowledge: General knowledge consists of current affairs and having a broad understanding of everyday observations and experiences, including a scientific aspect, which is expected from an educated individual who hasn't specialised in any scientific field. Furthermore, the examination will include questions related to geography and Indian history, which any competent candidate should be able to answer without requiring additional study.
CDS General Knowledge Syllabus
Indian History
Political Science
Economics
Geography
Environment
General Science – Physics, Chemistry, Biology
Current Affairs – National & International Awards, Summits, Sports, Conferences, Books & Authors, etc.
Defence Related Questions – Army, Navy, Air Force
CDS Syllabus for OTA
For the OTA Examination, the CDS Syllabus specifically consists of two subjects: General Knowledge and English. The topics and subtopics within these subjects are the same as those included in the syllabus for the INA, IMA, and AFA. The only difference is that the syllabus for OTA excludes mathematics.
The CDS (Combined Defence Services) exam pattern is the pathway for entry into Military institutions like the Indian Military Academy, Indian Naval Academy, Air Force Academy, and Officers’ Training Academy. Split into two courses, the selection process is conducted through a pen-and-paper offline format. Candidates face assessments in subjects like English, General Knowledge, and Mathematics, each having a two-hour duration and carrying 100 marks, catering to different academic backgrounds.
This pattern tests candidates on core subjects and serves as an important step towards shaping future officers for the Indian Armed Forces. The SSB Test/Interview, spanning over five days and carrying 300 marks, is a crucial part of the selection process for all the academies. This pattern tests candidates on their linguistic, general awareness, and mathematical proficiencies while emphasising their overall personality traits and suitability for the armed forces, ensuring a detailed evaluation of their capabilities and potential as future officers in the Indian Armed Forces.
A) For Admission to the Indian Military Academy, Indian Naval Academy, and Air Force Academy -
Subject
Duration
Maximum Marks
English
2 Hours
100
General Knowledge
2 Hours
100
Mathematics
2 Hours
100
SSB Test/Interview
5 Days
300
B) For Admission to the Officers’ Training Academy -
Subject
Duration
Maximum Marks
English
2 Hours
100
General Knowledge
2 Hours
100
SSB Test/Interview
5 Days
300
Important Instructions for CDS Exam 2025
Let us look at some of the most important Instructions for the CDS Exam 2025:-
Use only a black ballpoint pen for writing.
Provide your center and subject on the answer sheet, followed by the CDS 2025 test booklet series (in brackets), subject code, and exam roll number in the designated spaces at the top.
Encode your CDS 2025 booklet series (A, B, C, or D, as applicable), subject code, and roll number within the provided circles on the answer sheet.
If the CDS booklet series is not indicated on the test booklet or the answer sheet lacks numbering, promptly inform the invigilator and request a replacement for the test booklet/answer sheet.
Any omissions, errors, or discrepancies in encoding/filling details on the CDS 2025 OMR answer sheet, especially concerning the Roll Number and Test Booklet Series Code, may lead to the rejection of the answer sheet.
Upon the commencement of CDS 2025, inspect the supplied test booklet to ensure it does not have any unprinted, torn, or missing pages or items. If issues are identified, request a replacement with a complete test booklet of the same series and subject.
Refrain from writing your name or any information other than the specific items requested on the CDS answer sheet/test booklet/sheet for rough work.
Avoid folding, damaging, or making extraneous markings on the CDS Answer Sheet. Additionally, do not write anything on the reverse side of the answer sheet.
