UPSC CDS Syllabus and Exam Pattern 2020

UPSC CDS Syllabus: The Combined Defence Service Exam is conducted for the selection of the candidates into the Indian Army, Indian Airforce and Indian Navy etc. Candidates are recruited to be an officer in the Service. To get selected in this, one will have to clear the Selection phase of this. Here in this article, I am sharing with you the UPSC CDS Syllabus and Exam pattern 2020 that one has to prepare for the examination. Check out the article below. I have shared all the details about this entry like selection Process, Written Exam syllabus and Complete Exam Pattern etc.


UPSC CDS Syllabus and Exam Pattern 2020:

In order to get selected in the Indian Armed forces after the graduation. The Combined Defence Service examination can be the best entry. To get selected through the CDS entry, One will have to clear the Written Examination which is conducted by the Union Public Service Commission (UPSC) and all the candidates who would pass this exam, they will appear for the SSB Interview and then Medical Examination at the Military Hospital.

The Written Examination and SSB Interview both are the toughest part of the selection. The shortlisting of the candidates for the  SSB Interview will be done on the basis of the marks scored in the written examination. Here I will share with you the complete CDS Written Exam Syllabus that one has to prepare for the exam. But before that let’s see thExam Pattern of CDS written Exam

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Exam Pattern of UPSC CDS:

The Exam Pattern for the Indian Army, Indian Airforce and Indian navy will be like this and it will be a bit different for the Officer Training Academy.

Subjects Number of Question Marks
Mathematics 100 100
General Science 100 100
English 100 100

Exam pattern for OTA (Officer Training Academy):

Subjects Number of Question Marks
General Science 100 100
English 100 100
  • The Paper would be conducted offline.
  • All the questions will be asked in Objective form with the Multiple-choice Answer.
  • Total number of questions: 300
  • Total number of questions in OTA paper: 200
  • Total Time Duration: 3 hours
  • The Total Time duration for OTA paper: 2 hours
  • Each question carries One marks, A candidate will be given  1 marks for each right response.
  • Negative Marking: 0.33 marks for each wrong attempt.

This is the complete exam pattern of the Combined Defense Service Written Exam Pattern and now let’s see the Syllabus of UPSC Exam. 

CDS Previous Year Papers Download (Combined Defence Services)

Syllabus of UPSC CDS Written Exam:

A candidate will have to prepare a total of three subjects for the CDS Written Examination. Here are those subjects:

  • Mathematics
  • English
  • General Knowledge

Now let’s see the topics or Chapter that you have to prepare these subjects. It may help you a lot in the preparation:

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Mathematics syllabus of CDS:


  • Number System
  • Unitary method
  • Elementary Number theory


  • Analytical and graphical solutions
  • Set language and set notation
  • Rational expressions
  • Conditional identities
  • Laws of indices
  • Basic Operations
  • Simple factors
  • Remainder Theorem etc.


  • Lines and Angles
  • Plane and Plane Figures
  • Theorems on:
  • Properties of Angles at a Point
  • Parallel Lines
  • Sides and Angles of a Triangle
  • Congruency of Triangles
  • Similar Triangles
  • The concurrence of Medians and Altitudes
  • Properties of Angles,
  • Sides, and Diagonals of a Parallelogram,
  • Rectangle, and Square
  • Circles and its Properties Including Tangents and Normals


  • Sin x
  • Cosine x
  • Tangent x when 0 degree < x< 90 degree values of sin x, cos x and tan x, for x= degree 0, 30, 45, 60 and 90
  • Simple Trigonometric Identities
  • Use of Trigonometric Tables
  • Simple Cases of Heights and Distance


  • Area of Square
  • Rectangle
  • Parallelograms
  • Triangle
  • Area of Figures which can be Split up into Figures
  • Surface Area and Volume of Cuboids
  • Lateral Surface
  • The 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
  • Measures of Central Tendency

English Syllabus of CDS:

  • Sentence Improvement
  • Reading Comprehension
  • Synonyms
  • Antonyms
  • One Word Substitution
  • Para-Jumble
  • Sentence-Jumble
  • Spot the Error
  • Cloze Test

General Knowledge Syllabus of CDS:

  • Science
  • Latest Current Affairs
  • Indian Constitution
  • Indian History
  • Indian Economy
  • Indian Geography
  • Indian Politics
  • Indian Navy & Military
  • Religions
  • Books & Authors
  • Sports, Awards etc.

CDS 1/2020 Cut Off and Expected Cut Off and SSB Interview Date

This is the complete syllabus of the examination that one has to prepare to score better. All the candidates can cover the complete syllabus through the NCERT Book. Prepare the NCER Books up to 12th and then move to any competitive books.

There are many books available in the market that can give you a better preparation. Here are some common tips and tricks while preparing for the examination.

Tips to prepare for CDS Exam:

  • Choose the best Study Materials
  • Make proper Shot Notes while studying
  • Once you are done with you syllabus solve the previous year question paper, Sample Paper or Model Papers for the better practice.
  • Study regularly and give equal time to each subject.
  • Appear for the mock test paper before the examination for the better practice.

Prepare well for the exam. Check the complete syllabus of CDS Written Exam and prepare Accordingly, Do not Study Over.

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