Combined Defence Service Exam (CDSE) is conducted by Union Public Service Commission twice in a year.
Notification of Examination: August and March
Conduct of Examination: Feb/March and Sep/Oct.
After qualifying the written exam candidates are interviewed by SSB.
IMA/OTA: a degree from a recognized university or equivalent.
Naval Academy: Bachelor of Engineering
AF Academy: A recognized degree with Physics and Mathematics at 10+2 level or B. Tech