clearly speaking you have no chance of getting nits that too with cse branch you may even not be alloted in iiits better you look for gftis where there is off-course little chance of getting in...also go for csab round counsiling to get better college possible.

you can predict your college based on rank and all through this link:

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

also pls note the above info is thinking that you don't belong to north east state .

if you are from north east than you have fairly chance of getting nits of your home state.