CDS (Combined Defence Services) is an exam for young men and women to join any of the three wings of Defence services. The exam is conducted by UPSC twice a year. As per the official calendar of UPSC, CDS 2019 will be conducted in February and September.



For the CDS-2019 exam, candidates need to satisfy the following eligibility criterion.



  • Candidate should be a citizen of India.
  • Candidates from Nepal, Bhutan, Refugee of Tibet and people of Indian origin who migrated from Sri-Lanka, Pakistan and East African countries are also eligible.


Academic eligibility


For IMA and OTA

Graduation degree from any recognized university/institution.

For Air Force Academy (AFA)

Graduation degree (with Physics and Mathematics at 10+2 level) or B.Tech.

Indian Naval Academy (INA)

Engineering degree from a recognized university/institution.


Age Limit

For OTA, the candidates need to be 25 years of age and for admission into other academics, the candidate of age 20 to 24 years will be eligible.


Application Process

Interested candidates need to visit the UPSC official site and enter the Examination Tab. Under the examination tab, register for the CDS exam. After the registration, fill in the application fee. Click here to apply online.


Application Fee

Fee details are as follows:

General and OBC category candidates will pay the application fee of Rs 200.

The candidates under reserved category candidates and females are exempted from the application fee.


Exam Pattern

There will be a written offline exam with multiple choice questions. There is negative marking and 1/3rd of the marks will be deducted for the wrong answer.





2 Hours

Elementary Mathematics

2 Hours

General Knowledge

2 Hours






2 Hours
General Knowledge

2 Hours



Interview Pattern

Services Selection Board (SSB) conducts the intelligence and personality test for the selected candidates who qualify the CDS written exam. SSB is conducted in two stages:

Stage1: This stage comprises the Officer Intelligence Rating, Picture Perception, and Descriptive tests.

Stage2: This stage comprises the interview, psychology test, Group tasks, and conference.


Important Dates




Date for Online Registration

12th June 2019

Last Date for online Application

8th July 2019

Admit Card download

To be updated

Date of Exam

8th September 2019


To be updated