Hey, 

For admissions to NITs/ IIITs/ GFTIs: Candidates need to have secured a minimum75% marks in class XII or equivalent exam or be in the top 20 percentile in their class XII exam conducted by the respective board. For SC/ ST candidates, the eligibility criteria are to secure 65% marks in class XII or equivalent exam.

You can look further here https://www.google.com/amp/s/engineering.careers360.com/articles/jee-main-eligibility-criteria/amp

Dear aspirant, there are no chances of getting seat in government colleges for your percentile and also the college you mentioned. Try for private colleges which accepts JEE Mains percentile. Here is the link for it. 

https://engineering.careers360.com/colleges/list-of-engineering-colleges-in-india-accepting-jee-main

Best of Luck.