Hey Harsh....

Just fill the form in the below link of offical Amity site and pay the fees of 1,100₹ : 

http://www.amity.edu/admission-procedure-domestic.aspx

Direct Admission Process: Student securing 80%+ agg. in Class XII (CBSE/ISC/State-Boards of 2017/2018) are exempted from selection process. Selection will be only on the basis of Amity Application Form.

There is no last date announced till now.