Hello Chandan, 

In Afcat, there are three categories and the eglibillity is different for every category.

For flying :- 10+2 with maths and physics. At least 60% marks in each subject in BE/B.Tech.

For non flying technical :-  4 year gegree qualification and must have completed section A and B exam of Associate membership of institutionof engineers or aeronautical society of India with at least 60% marks.

For non technical :- must have b. Com with at least 60% and MBA /MCA or any master degree with minimum 50%.

All the best.