Hello Satyam. You mentioned you belong to General-EWS category. Well, as per your percentile your AIR should come within the range of 71610 - 80500, Although your percentile is good, you may not get a seat at NIT as your performance is not up to the mark and as you belong to general category. However, as you belong to EWS division, you may get a non-core branches at your Home State NIT (or other GFTIs). Getting admission in NITs generally require AIR below 30000 . However, you may get NITs till AIR 40000 somehow as you are coming for EWS quota, there will be 10% increment in seats.

Talking about IIITs , you may get chances to get admission in selected branches of IIITs like IIIT Pune, IIIT Nagpur, IIIT Dharwad, IIIT Kurnool or IIIT Indraprastha.

If you want to have a detailed report on your eligibility in various colleges based on your performance then JEE Main 2021 College Predictor:

I hope this information is enough to answer your query.

Thank you and all the best for your career and future.