Hello dear student !
If you are asking about the subjects , the questions of which are asked in the CDS examination then , CDS exam pattern for the written examination for admission to India Naval academy, Indian military Academy and Air force academy will include three main subjects which are Elementary mathematics, General knowledge and English . So you have to prepare accordingly.
Hope this will help you
The CDS exam or the Written Exam for admission to either Indian Naval Academy or Indian Military Academy or Air Force Academy will include three main subjects. These subjects are - Elementary Mathematics, English and General Knowledge.
So all the best for your CDS Exam.