UPSC Combined Defence Services Examination सिलेबस

An objective written examination followed by SSB interview. For the Indian Military Academy, Indian Naval Academy and Air Force Academy there are three papers of 100 marks each — English, General Knowledge and Elementary Mathematics. For the Officers Training Academy there are two papers of 100 marks each, English and General Knowledge. The interview carries marks equal to the written examination: 300 for IMA, INA and AFA, and 200 for OTA.