Dear Student,

To take admission in any IIIT or NIT your rank must be under 20K so that you can expect some colleges otherwise you may get in the CSAB round but still chances are very less.

The best thing you can do is to participate in your state level counselling so that you can get some of the good government college according to your and moreover you can try some good private colleges, there you get some scholarship according to your rank.

To know more about colleges you can use this college predictor link for colleges you will get according to your JEE score.

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

Good Luck :)