Download UPSC CDS I Syllabus 2021 Pdf | UPSC Combined Defence Service Exam Syllabus @

CDS Syllabus 2021 | Check UPSC CDS I Exam Pattern, Previous Papers, Admit Card, Important Dates

CDS (Combined Defense Services) is the common entrance exam to recruit unmarried male and female (including widows and divorcees who haven’t remarried) candidates in all the three spheres of the Indian defence services. Moreover, CDS is one of the best jobs for youngsters, who want to serve their motherland. Therefore, on qualifying for this exam, they can be recruited in the Indian Army, Navy and Air force as officers. In order to have a thorough preparation for this exam, it is very important for candidates to get complete detail about UPSC CDS Exam Syllabus 2021. By knowing this, they will come to know about the topic of various subjects, which are covered under this exam.

UPSC CDS I Notification 2021

UPSC CDS Exam Syllabus 2021 Notification Overview @

Organization NameUnion Public Service Commission (UPSC)
Examination NameCombined Defence Service Examination (CDS) I
Job TypeCentral Government Jobs
Education QualificationDegree
Mode of ApplyingOnline Mode
Total Vacancies417 Posts
Starting Date to submit Online Application31/10/2021
Last Date to Online Application26/11/2021
Selection ProcessWritten Examination and Interview
Admit Card Release DateNotify Soon
Exam DateIntimate Later

latest exam syllabus

Download CDS I Syllabus 2021 Pdf @

Union Public Service Commission (UPSC) is recently releasing a CDS I Notification on its official site Hence, those are applying for this UPSC Combined Defence Service Exam for those aspirants here we provide a CDS Complete Syllabus in details in this article. Also, our website provides CDS I 2021 Admit Card, Application form, Syllabus etc search on our website you can find all the details. Moreover, CDS Syllabus 2021 is updated on this page as per the latest info posted on the UPSC Website. Before knowing the UPSC CDS Exam Syllabus 2021 first understand the Scheme and Pattern of Combined Defence Services Examination. Therefore, go through the following article you can more details regarding CDS I Syllabus 2021 Pdf

Latest UPSC CDS Exam Pattern 2021 Information

UPSC Combined Defence Service Exam Pattern is very important at the time of CDS Exam preparation. Hence, candidates check Latest UPSC CDS Exam Pattern 2021 in the following. Moreover, the CDS I Exam Applicants having Written Exam on required dates. The maximum marks allotted to the written examination and to the interviews will be equal for each course i.e. the maximum marks allotted to the written examination

For examination to Indian Military Academy, Indian Naval Academy and Air Force Academy –


English – 2-hour exam for 100 marks

General Knowledge – 2-hour exam for 100 marks

Elementary Mathematics – 2-hour exam for 100 marks

 For Admission to Officers Training Academy


English – 2 hours exam for 100 marks

General Knowledge 2 hours exam for 100 marks

CDS Syllabus 2021

The CDS Syllabus is mentioned below:

English: Reading comprehension, Jumbled sentences, Fill in the blanks, Sentence correction and Finding errors and omissions.

General Knowledge:  Current Affairs of last 6 months, Indian Economy, Indian Politics, History, Geography, Sports, Banking sector, Awards & Honors Sports, Finance, Agriculture, Books & their Authors and RBI Functions & Policies etc.

Mathematics Topic Details in UPSC CDS Exam Syllabus


UPSC CDS Exam Syllabus Number System: Natural numbers, Fundamental operations, Ratio and Proportion, profit and loss, applications to simple and compound interest, percentages, time and work, time and distance, Unitary method, Decimal fractions, Square roots, addition, subtraction, multiplication, division, Rational and Real numbers, Integers and Variation.

Elementary Number Theory CDS I Exam Syllabus: Multiples and factors, Factorization Theorem, Tests of divisibility by 2, 3, 4, 5, 9 and 11, H.C.F. and L.C.M, Euclidean algorithm, Logarithms to base 10, Use of logarithmic tables, Prime and composite numbers, Laws of logarithms and Division algorithm.

UPSC CDS Syllabus Geometry:  Plane and plane figures, Lines and angles, Properties of angles at a point, Parallel lines, Sides and angles of a triangle, Congruency of triangles, Similar triangles, Concurrence of medians and altitudes, Properties of angles, Circles and its properties including tangents and normals, Loci, Sides and diagonals of square, rectangle and parallelogram.

Trigonometry UPSC Combined Defence Service Exam Syllabus: Sine ×, cosine ×, Tangent × when 0° < × < 90° Values of sin ×, cos × and tan ×, for × = 0°, 30°, 45°, 60° and 90°, simple trigonometric identities, use of trigonometric tables and simple cases of heights and distances

exam syllabus

UPSC CDS Exam Syllabus topic Algebra: Set language and set notation, Laws of indices, Rational expressions and conditional identities, Practical problems leading to two simultaneous linear equations, Simultaneous linear inequations in two variables and their solutions, Simultaneous linear equations in two unknowns—analytical and graphical solutions, relation between its roots and coefficients, solutions of quadratic equations, theory of polynomials, Remainder Theorem, Basic Operations, simple factors, H.C.F., L.C.M etc.

Statistics topic in UPSC CDS Exam Syllabus: Graphical representation frequency polygons, collection and tabulation of statistical data, measures of central tendency, histograms, pie charts, bar charts etc.

CDS I Exam Syllabus topic Mensuration: Areas of squares, circle, triangle, rectangles and parallelograms,  Areas of figures which can be split up into these figures Surface area and volume of cuboids, lateral surface and volume of right circular cones and cylinders, surface area and volume of spheres.

Important Dates of UPSC CDS Exam Syllabus 2021

About the ExamCDS I 2021 ExamCDS II 2021 Exam
Date of CDS Exam 202104 February  202118 November 2021
CDS Exam Application Form release date08 November 202108 August 2021
Closing date for submission of Applications form04 December 2021 (6:00 PM)04 September 2021
Admit Card Issuance date10 January 20213 weeks before the exam (Oct-18)
CDS I & II Exam Result Declaration27 March 2021December 2021 (tentative)

CDS Syllabus 2021 Important Links

Download CDS I Syllabus 2021 Pdf here

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