Amity University- As per the eligibility you should have PCM / PCB min. 60% for Non sponsored & 55% for Sponsored category. The selection process is Subject Based Written Test. You can check the information with the given below link.

http://www.amity.edu/aift/A43126.asp

Each college has different criteria for the admission so if you specify the particular college you wish to apply then I can help you better.

Good Luck!