UPSC conducts the CDS exam twice a year annually. The exam pattern remains the same for CDS (I) exam as well as CDS (II) exam.

The Combined Defence Services (CDS) examination comprises of the following stages:

Stages Typeof questions Language of Question Paper Duration Marks
Stage I: Written Examination Objective Type Only English / Hindi 2 hours each paper 100 for each paper
Stage II: Intelligence test & Interview by SSB  300/ 200