With a Percentile of 90 in JEE Main, your CRL will be anywhere around 100-120k, with a EWS Rank around 30-40k. At this EWS Rank, you wont really secure a seat at any NIT, IIIT or GFTIs. You must perhaps check for State Engineering Counselling, if through JEE Main Scorecard. You might have fair chances of securing a seat at some of the Good State Engineering Colleges. You should also look out for Good Private Engineering Colleges accepting JEE Main Scorecard.

For more information and college prediction do follow the link below

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

For more information about Private Engineering Colleges accepting JEE Main Scorecard do follow the link below

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