As you said want to join IAF after MBA study , so here would like to inform you that You can be a part of Indian army as well as Indian air force on the basis of your graduation degree.

Your MBA degree will help you to provide some relaxation in age to get into ground duty of IAF.

You can be a part of Indian Army through CDS examination after MBA and its age criteria is 25 years old only.

It is a graduate level examination, which is organized by UPSC twice in a year.

This exam consists of three sections-

1) Mathematics
2) English
3) General Knowledge


UPSC CDS examination is normally carried out in february and in September. So keep a closed watch on employment newspaper of 2 months prior. For air force, the paper of ground duty is out twice in a year around april and in October. So keep on checking newspaper and official site of both.