What is CDSE?

CDSE is combined defence services examination . As name suggests it is common exam for officers entry in ARMY , NAVY and AIR FORCE . It offers two types of commissions

  • Permanent commission
  • Short service commission

You have to give your choice at the time of form filling

It is the graduate level entrance exam for becoming commissioned officer in Indian armed forces . It is a combined exam for Army , Navy and Air force. This is objective exam. Students who are graduates of any stream ( or appearing for final year exam ) and interested in career in defence services as an officer can opt for this exam


What is after ?

Students Successful in this exam will join one and half year training for permanent commission and 49 weeks training for short service commission on completing the training successfully students will be given the commission in Indian armed forces .


Fees          The entire cost of training is born by Central government so students don`t have to pay any fees but

he has to sign the bond that he will serve in Indian armed forces. Students will be paid the stipend

during the training



Steps of the exam

1>Form filling – There is a notification from UPSC. Twice a year NOV / Dec ( Exam in Feb ) and  Jun / Jul ( Exam in Oct / Nov ) . Fill up the online form with your choice of centre out of given list in the notification and your preferences of services you want opt for i.e. Army or Navy or Air force or OTA.

2> Appearing for the written exam

3> Result of written exam will be declared after 90days

4> Those who qualify the written exam as per the cut-off criterion are recommended for next test SSB interview

5> Those who are recommended in SSB shall undergo medical test

6> Final merit list

7> Joining Training as per the merit list

Army Cadets join Indian military academy ( IMA ) Dehradun

Naval Cadets join Indian Naval Academy ( INA ) Ezhimala Kerala

Air force cadets join Air Force Academy ( AFA ) Hyderabad

Cadets opting Short service commission option join Officers training academy ( OTA )Chennai



Educational qualification – student should have cleared 10+2 level

For Army     Degree any stream

For Air Force  Degree or appearing for final year exam any stream with 10+2 level with subjects Maths and Physics

Navy        Degree in engineering


Eligibility  criterion

Age: 20 to 24 (Before joining Training)

19 to 23 (For form filling) ( This exam is a one year process hence form filling age is less by one year. Thus first

attempt of CDS entrance exam for every student is in the final year of his graduation only. )

Number of chances    Age criteria decides your number of chances to appear for the CDSE test. To find your number of

attempts do as following

  • Consider the month and year in which you are planning to appear for the test e.g. I want to give exam in October 2017
  • Now subtract 23 years from it. So October 2017 – 23 years = October 1994
  • Thus as per CDS entrance exam age criterion Students born after 1st January 1994 and before 1st January 1999  can appear for this test Provided they are going to complete their graduation before their joining in Jun
  • Now add six – six months January 1994 till you just cross your birth date . The number of times you did it gives your number of attempts e.g. If my birth date is 3 March 1996 then I have to add six months five times to just cross my birth date . So I will have five chances .


For other eligibility criterions please refer the notification . We have given the main criterion only .


About CDS written exam

1>This is objective type of written exam

2> It has negative marks system

3> It has three papers Each paper is of 100 Marks

Elementary Mathematics   100 questions    2 hours time   100 marks ( only for permanent commission ;

Candidates appearing for OTA need not appear for this paper )

English                  120 questions     2 hours time    100 marks

General knowledge         120questions     2 hours time    100 marks


The syllabus for all the papers is of the level which can be expected from any graduate without any special studies. In English all the questions are based on grammar , usage of words and phrases , comprehension etc. The general knowledge paper includes current affaires History , Geography , Physics , Chemistry , Biology etc. related questions

Maths syllabus is given in the Notification . Students are advised to go through the notification for exact idea and any changes if there are


CDSE preparation Courses at Aacharya academy

We have flexible options for the preparations of CDSE. Two types batches are available.

1>Integrated batch – In this batch we cover theory part as well as objective part . This is a most popular course as it targets number of exams in one course. This is a five months full time course Content of this course is

  • Spoken English                     9>  Essay writing
  • Maths theory and objective course 10>  Verbal and non verbal
  • Mental aptitude and reasoning 11> Geography theory and objective
  • History objective 12> Physics theory and objective
  • Chemistry theory and objective 13> Biology theory and objective
  • Economics theory and objective          14> Group discussion and personnel interview
  • SSB preparation                       15> Weekly Test series
  • Main test series

This course covers the syllabus of exams

CDSE     2> SSB   3> AFCAT    4> BSF   5> coast guard  6> CPF  7> BANK  8 > Maths and English of aptitude test of many exams  9 > GDPI