With 90 percentile, your approximate JEE Mains AIQ rank will be 113012 and usually NITS close at approx 30,000-35,000 rank. So Getting NITS is a little different with this score. You can try in some state colleges like where there are 15% reservation through the JEE mains score..

1. KJ Somaiya college of engineering
2. Swami Vivekananda College
3. Pune institute of computer technology
4. IIIT Pune
5. Netaji Shubhas engineering college,Kolkata

Refer to the link below to know the college that you can get with your score...

https://engineering.careers360.com/jee-main-college-predictor

Refer to this link below to know your rank and get a clear view.

https://engineering.careers360.com/articles/jee-main-rank-predictor

Best wishes

thank you.