Hello student with 89.99 percentile its difficult to get admission in NIT's as we all know that seats are very limited and admission is directly based on merit rank.

Cut off vary every year on various factors like level of question in examination seats available and total nunumber of applicants in the entrance examination. It's expected that you must need to score 97 percentile to get admission in NIT under OBC category.

You might get state level engineering colleges for that use careers360 college predictor -

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

Feel free to comment if you've any doubt

Good luck