Hello Dear,

If your score of JEE Main is 88 then your General AIR rank must be between 82249 - 63079. You have not mentioned your category. There is a very less chance that you can get any NIT on your rank. You have not mentioned your home state as you should try for your home state NIT. but as you know cut off depends upon the number of seats available, the difficulty level of paper and number of candidates writing the examination. And, hence varies every year depending on these factors. You can check the rank vs percentile vs marks below:

https://engineering.careers360.com/articles/jee-main-marks-vs-percentile

You can check our predictors link to know more about the college which you can get

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

Good Luck