CDS Exam Syllabus 2021 and Exam Pattern

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The CDS Entry is the best entry after graduation to enter in the defence. Here in this article, I am sharing with you the complete details about the CDS Exam Syllabus that one has to prepare for its written examination which is conducted by the UPSC. Let’s see the CDS Written Exam Syllabus 2021 and Exam Syllabus etc.

CPDA Pubication

Combined Defence Service Examination (CDSE) is conducted two times in a year named as CDS(I) and CDS(II) by the UPSE which is the Union Public Service Commission for the recruitment of  Indian Military Academy (IMA), Air Force Academy (AFA), Indian Naval Academy (INA) and Officers Training Academy (OTA). Let’s see the Selection Process and later we will see the Syllabus and Exam Pattern.

Which is better Entry NDA or CDS?

CDS Written Exam 2021 Syllabus and Pattern:

The Syllabus of the examination is not too broad and it can be easily prepared with the proper study material. There are basically the three main subjects that one has to prepare for the examination. Well, for the OTA (Officer’s Training Academy), One will just need to prepare two subjects.

In order to start preparing for any examination, It is very important to get complete details about the examination, Its Syllabus, Pattern and Marking schemes etc. Let’s see the Selection Process and later we will see the Syllabus and Exam Pattern.

CDS 2021 Selection Process:

The Selection of the candidates will be done on the basis of the three phases of selection. One will need to clear the following phases of selection:

  • Written Examination conducted by UPSC (
  • SSB Interview
  • Medical Examination etc

After the application form, One will appear for the Written Examination. All the candidates who would clear the Written Examination will proceed with the Interview. You can check your Written Exam result on the official website of UPSC. You can check the list of the selected candidates with the roll number. The mark sheet of the candidates who have not qualified will available on the website within 15days and will be there for 30 days. You can check your scorecard over there.

CDS Exam Pattern 2021:

The Exam Patterns for the Indian Military Academy, Indian Navy Academy, and Air Force Academy are the same, but the Officer’s Training Academy would be different.

Exam Pattern for IMA, INA and AFA:

SubjectDurationMaximum Marks
English Language 2 hrs100
General Knowledge2 hrs100
Elementary Mathematics2 hrs100

Exam Pattern for OTA (Officer’s Training Academy):

SubjectDurationMaximum Marks
English2 hrs100
General Knowledge2 hrs100

The Exam Pattern is a bit different but the syllabus of the examination is completely the same. Only the candidate who will appear for the OTA will just have to prepare two subjects for the Written Examination. Let’s see the complete syllabus of the Combined Defense Service Written Examination.

CDS Selection Process 2021 and Eligibility Criteria

CDS Syllabus 2021:

For the Written Examination, One will need to prepare the three subjects. Here are the following subjects:

  • English
  • Mathematics
  • General Knowledge etc


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


  • Mensuration
  • Algebra
  • Mean-Median-Mode (Frequency Distribution Table)
  • Time speed and Distance
  • Number System
  • Simple interest/Compound interest
  • Percentage
  • Profit/Loss
  • Mixture
  • Time and Work
  • Trigonometry
  • Set Theory
  • Clock
  • Geometry etc

General Knowledge:

  • History
  • Science
  • Geography
  • Ecology
  • Polity
  • Economy/Trade
  • Miscellaneous /Armed Forces etc

This is the complete syllabus of the examination that one has to prepare for the examination. Well, The syllabus is not that broad, One can easily cover the complete syllabus. The Exam may be easy but the competition is too tough. In order to beat the competition, one will have to prepare very well for the examination.

CDS 1 2021 Result Out, Check the UPSC CDS Result

Well, if you are new to this competitive examination, You must join the Cadet’s Point Defense Academy to get proper preparation for the examination and learn all the basics and advanced tips to clear the competitive examinations.

How to prepare for Written Exam at home:

There is no secret or hidden tips are there to prepare for any competitive exam, Your hard work is the only key to success. One will have to prepare better in all manner to beat the today’s competition.

But you follow some techniques to do better in the examination. Like, Attempt your question one by one start with English because this is the easiest portion in the exam in which you can score well. Then move to the General Awareness this can be also easy to tick. Do the numerical questions at last because these questions take a lot of time and might be missed your other portion because of this.

Choose the right study material and make a proper study plan and be strict about it. Solve the previous year paper as much as possible, it will give you a better experience. Appear for mock tests (If have time). Your preparation completely depends on you. For better guidance, You can join the Cadet’s Point Defense Academy.

This blog was all about CDS Exam Syllabus 2021 and Exam Pattern. I hope you got the complete details about this. To prepare for the Defence Exam, you can join the Cadets Point Defence Academy and get proper education and training about the exam, Interviews, Physical Fitness and Medical Fitness etc. You can check the official website to get details or to know more about the Institute.

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