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Combined Defence Services (CDS)

CDS Eligibility Details

Union Public Service Commission (UPSC) conducts the Combined Defence Services (CDS) Examination for recruitment into the Indian Military Academy (IMA), Indian Naval Academy (INA), Air Force Academy (AFA), and Officers Training Academy (OTA).

Age Limit

  • Indian Military Academy (IMA): Unmarried male candidates within the age limit prescribed by UPSC.
  • Indian Naval Academy (INA): Unmarried male candidates within the prescribed age limit.
  • Air Force Academy (AFA): Unmarried male candidates between 20–24 years.
  • Officers Training Academy (OTA – Men): Married or unmarried male candidates within the prescribed age limit.
  • Officers Training Academy (OTA – Women): Unmarried women, issueless widows and divorced women who have not remarried.

Educational Qualification

  • IMA & OTA: Graduation from a recognized University.
  • Indian Naval Academy: Degree in Engineering from a recognized University.
  • Air Force Academy: Graduation with Physics & Mathematics at 10+2 level or Bachelor of Engineering.
  • Final year graduation students are also eligible to apply provisionally.

Important Note

Male divorcees and widowers are not treated as unmarried candidates for admission to IMA, INA and Air Force Academy courses.

CDS Exam Pattern

The UPSC Combined Defence Services Examination consists of a Written Examination followed by the Service Selection Board (SSB) Interview and Personality Test.

For IMA, INA & Air Force Academy

Subject Duration Marks
English 2 Hours 100
General Knowledge 2 Hours 100
Elementary Mathematics 2 Hours 100
Total 6 Hours 300

For Officers Training Academy (OTA)

Subject Duration Marks
English 2 Hours 100
General Knowledge 2 Hours 100
Total 4 Hours 200

SSB Interview & Personality Test

  • Stage I includes Officers Intelligence Rating (OIR) Test.
  • Picture Perception & Discussion Test (PPDT).
  • Stage II includes Psychological Tests.
  • Group Testing Officer (GTO) Tasks.
  • Personal Interview and Conference.
  • Stage II is conducted over 4 days.

Course Highlights

  • Complete CDS syllabus coverage.
  • English Language preparation.
  • General Knowledge & Current Affairs.
  • Elementary Mathematics classes.
  • SSB Interview Guidance.
  • Psychology, PPDT & GTO preparation.
  • Mock Tests & Performance Analysis.

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