I have commerce maths and accounts as subject in 12th and after 12th I'll be doing B.Com and want to do NCC,so where are the Ncc camps held?
You can go through these links and get full details about NCC.
http://nccindia.nic.in/en/content/cadets-corner-1
http://nccindia.nic.in/en/training-activities
All the best!