Will you please tell me whether I can Join Indian army after B.Tech Biomedical Engineering????

You can join Indian army after completion of B.Tech Biomedical Engineering. You have to go through Combined Defence Service Examination (CDSE), conducted by UPSC twice every year

Tentative Schedule: (Examination held twice a year)

Notification of Examination August and March
Conduct of Examination February and August

Age-limits:
19-24 Years Indian Military Academy
19-23 Years Air Force Academy
19-25 Years Officers’ Training Academy
19-22 Years Naval Academy

Educational Qualifications:

IMA & OTA
Must have passed degree of a recognized University or equivalent

Naval Academy
Must have passed B.Sc. with Physics & Mathematics or Bachelor of Engg

Air Force Academy
Must hold B.Sc. with Physics and/or Mathematics or Bachelor of Engg