Hi,

As you haven't mentioned your graduation degree so, i will provide you with all options.

1. CDS

IMA

Age - 19 to 24 years

Education Qualification - Bachelor's Degree from a recognised University or equivalent institute

AFA

Age - 20 to 24 years

Education Qualification -  Bachelor's Degree from a recognised University (with Physics and Mathematics at 10+2 level) or Bachelor degree in engineering

INA

AGE - 19 to 24 years

Education Qualification - Bachelor's Degree in Engineering from a recognised University/ College

OTA

Age - 19 to 25 years

Education Qualification - Bachelor's Degree from a recognised University or equivalent institute

To know more about CDS examination visit the given link -

https://competition.careers360.com/articles/cds-eligibility-criteria

2. AFCAT

Age - 20 to 24 years

Education Qualification - Bachelor's Degree from a recognised University (with Physics and Mathematics at 10+2 level) or Bachelor degree in engineering

TO know more about AFCAT examination you can visit the given link - https://afcat.cdac.in/AFCAT/CareerAsPerBranches.html#:~:text=AFCAT%20ENTRY%20(SSC%20FOR%20MEN%20AND%20WOMEN)&text=no%20further%20extension.-,Eligibility%20criteria%3A,time%20of%20commencement%20of%20course).

3. INET

Age - 19 to 24 years

Education Qualification - Education Qualification vary from Branch to branch.

4. Territorial army

All the best !