Combined Defence Service

  • Home
  • /
  • Combined Defence Service

Combined Defence Service

The "Combined Defence Services" (CDS) Examination is conducted twice a year by the Union Public Service Commission for recruitment into the Indian Military Academy, Officers Training Academy, Indian Naval Academy and Indian Air Force Academy. The Notification for the examination is usually released in the months of October and June, and the examinations are conducted in February and November respectively. Only unmarried graduates are eligible to sit for the exam. Successful candidates are admitted into the respective Academies after an interview conducted by the Services Selection Board (SSB).


Those Candidates qualified in the written exam. Then they are shortlisted for an interview by a Services Selection Board which evaluates a candidate's suitability for a career in the Indian Armed Forces. The SSB interview lasts for approximately a week, during this process a candidate undergoes various physical and psychological tests to ascertain whether or not he is officer material. Apart from SSB interview, Air Force academy candidates (only those who have applied for flying branch) are tested for PABT. After these tests, candidates undergo medical examination before finally admitted into the above-mentioned academies, and after successful completion of training, they are inducted into the armed forces.


Eligibility criteria

Academy Age Educational Qualification Marital Status
Indian Military Academy 19 – 24yrs Graduation from any recognised university Unmarried
Air Force Academy 19 – 24yrs Graduation from any recognised university Unmarried
Naval Academy 19 – 24yrs Graduation from any recognised university Unmarried
Officers Training Academy 19 – 24yrs Graduation from any recognised university Unmarried
Get Training