You can study in NCC ( national cadet corps) colleges. Many colleges in India have NCC units where students can enroll and participate. The eligibility criteria for joining the NCC  in India generally include:

1. Age limit for junior division is 13 to 18.5 years and for senior division it is up to 26 years of age.

2. You must be enrolled in college for senior division and for junior division schooling is sufficient.

3. Candidates must be physically fit.

4. You should have citizenship of India .

5 the selection process is conducted by NCC unit of the respective educational institute which may include interview ans physical tests.