CDS Exam

Combined Defence Services Exam 2022

Combined Defence Services Exam 2022

Mode of ExamOnline & Offline
Level of ExamNational Level

Combined Defense Services Exam acronym as CDSE is conducted by UPSC on a national basis to fill nearly 350-400 vacancies of Defense Officers (Army Officer, Air Force Officer, Navy Officer) in all the three branches ie. Army, Air Force and Navy of Indian Armed forces. Due to its National level approach this test is taken by most of the defence services aspirants on the priority basis. Brack of Vacancies will be as follows:

Indian Military Academy, Dehradun 142th

Air Force Academy, Hyderabad (Pre-Flying) Training (201/16F/PC)

Indian Naval Academy, Ezhimala, Kerala

Officers Training Academy, Chennai 105th SSC (Men)

Officers Training Academy, Chennai, 19th SSC (Women) (Non-Technical)

CDS Exam Pattern

CDS Exam consists of three parts:



No of Question


Mathematics 200 2 Hr.
English 200 2 Hr.
General Knowledge 200 2 Hr.

Note: Level of all the three paper is equivalent to the Metric Standard. There is no negative marking in the CDS exam so the candidate can attempt the full paper.

Important:-There is a break of 1 Hr each in all the parts of the paper. All three papers are held on the same day. Candidates can opt for Question Papers either in English or in Hindi. This option should be exercised while filling in the Application Form. It cannot be changed later.

CDS Exam Test Centres
Most of the major cities of the countries are made the test centres of the CDS Exam. Name of the cities made as to the CDS Exam centre last time are:



Panaji (Goa).




Aizwal, Imphal.

Port Blair.

































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Eligibility Criteria

For opting Army, the candidate must be a graduate in any stream.

For Air force or Navy, the candidate must be a graduate with Maths, Physics and Chemistry as the Main subjects at this level

Those who are taking final years of graduation in the present academic year can also appear for the entrance test provisionally subject to their fulfilling the conditions later.

Other eligibility conditions:

1. Educational Qualification
The aspiring candidate should have done Graduation in any discipline from a recognized university and equivalent.

2. Age

The candidates should be between the age group of 18 years to 24 years. 

3. Nationality

The Citizenship of India, or
The subject of Nepal/Bhutan, or
Tibetan refugee who had been migrated to India before January 01, 1962, with the intention of Permanent Settle, or
An individual of Indian Origin migrated from Pakistan, Sri Lanka, Burma, Uganda, Kenya, Tanzania, Ethiopia, Malawi, Zambia, Zaire & Vietnam for permanent settle purpose in India.

4. Marital Status


CDS Exam consists of three papers of 2 hours duration each consisting of 100 questions from the following given subjects.  

English - Code No 1

The English part of the question paper will be consist of questions aimed at testing the candidate's understanding of English and workmanlike use of words.

General Knowledge - Code No 2

General Knowledge part of the paper including knowledge of current events and of 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 will also include questions on History of India and Geography of nature which candidate should be able to answer without special study.

Mathematics - Code No 3


Number System-Natural numbers, Integers, Rational and Real numbers. Fundamental operations addition, subtraction, multiplication, division, Square roots, Decimal fractions.

Unitary method-time and distance, time and work, percentages, applications to simple and compound interest, profit and loss, ratio and proportion, 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, laws of logarithms, use of logarithmic tables.


Basic Operations, simple factors, Remainder Theorem, H.C.F., L.C.M. Theory of polynomials, solutions of quadratic equations, the relation between its roots and coefficients (Only real roots to be considered). Simultaneous linear equations in two unknowns-analytical and graphical solutions. Simultaneous linear equations in two variables and their solutions. Practical problems leading to two simultaneous linear equations or inequations in two variables or quadratic equations in one variable & their solutions. Set language and set notation, Rational expressions and conditional identities, Laws of indices.


Sinx, cosx, Tanx for 0 < x < 90

Simple trigonometric identities.

Use of trigonometric tables.

Simple cases of heights and distances.


Lines and angles, Plane and plane figures, Theorems on (i) Properties of angles at a point (ii) Parallel lines, (iii) Sides and angles of a triangle, (iv) Congruency of triangles, (v) Similar triangles, (vi) Concurrence of medians and altitudes, (vii) Properties of angles, sides and diagonals of a parallelogram, rectangle and square (viii) Circles and its properties including tangents and normals, (ix) Loci.


Areas of squares, rectangles, parallelograms, triangle and circle. Areas of figures which can be split up into these figures (Field Book), Surface area and volume of cuboids, lateral surface and volume of right circular cones and cylinders, surface area and volume of spheres.


Collection and tabulation of statistical data, Graphical representation frequency polygons, histograms, bar charts, pie charts etc. Measures of central tendency.

Important: For those candidates who opt only for the Officers Training Academy have to take two paper. ie English and General Knowledge

Application Start Date :

18th May 2022

Application End Date :

14th June 2022

Exam Date :

4th September 2022

Result Date :

15th December 2020

Conducted By :

Union Public Service Commission (UPSC)

Official Website :