Dear Student,

You will only be eligible if you should have been born not earlier than 2nd July, 1997 and not later than 1st July, 2003. And if your age was 24 in may 2021 that mean you born before 2 july 1977 so you will not be eligible for CDS 2 OTA or any other branch of the defence i.e. you will not be able to give the CDS exam.

Good Luck :)