Combined Defence Services (CDS) is an exam conducted by the Union Public Service Commission (UPSC). This exam enables candidates to get recruited into the:

Indian Military Academy (IMA) in Dehradun for permanent commission in the Indian Army
Officers Training Academy (OTA) in Chennai for short-service commission in the Indian Army
Naval Academy Goa, for Commission in the General Services in the Indian Navy
Air Force Academy, Begumpet, Hyderabad for Commission in the Indian Air Force

Age criteria:

Indian Military Academy (IMA): 19-24 years
Officers Training Academy (OTA): 19-25 years
Air Force Academy: 19-23 years
Naval Academy: 19-22 years

Marital status: Unmarried

Educational qualification:

IMA & OTA: Degree of a recognized University or equivalent
Naval Academy: B.Sc. with Physics & Mathematics or Bachelor of Engineering
Air Force Academy: B.Sc. with Physics and/or Mathematics or Bachelor of Engineering

CDS Exam 2017 Date:-

UPSC Combined Defence Services Examination (I)

Notice Date:- 09-11-2016

Closing Date - 02-12-2016

Exam Date:- 05th February, 2017.

C.D.S. EXAM.(II), 2017

DATE OF NOTIFICATION (WEDNESDAY)- 09.08.2017

LAST DATE FOR RECEIPT OF APPLICATIONS - 08.09.2017 (FRIDAY)

DATE OF COMMENCEMENT OF EXAM - 19.11.2017 (SUNDAY)

DURATION OF EXAM - 1 DAY