How can I join Indian Army after B.Tech?
Option 1: TGC
You can join Indian Army through TGC which is Technical Graduate Course. Necessary information is available on Indian Army's official website - Join Indian Army.. Do check your academic performance eligibility.
Option 2: UES
If you are on the right side of the age, you can apply through UES. Pre-final engineering students can apply through UES.
Option 3: Short Service Commission
You need to be an engineering / technology degree holder (BE/B.Tech).
You should check for your eligibility for the right course on this page: Join Indian Army. . I could not find any academic performance criteria; however it will be helpful if you could check their latest notification.