Hello there,
You haven't mentioned your home state, and the branch you want to choose. Analysing the previous year data, you have fair chances of getting into the NITs. You may get some lower NITs. You should also try for IIITs, since you have fair chances there as well.

You can check the cut-off ranks of all the NITs from the link given below:
https://www.google.com/amp/s/engineering.careers360.com/articles/nits-cutoff-for-top-btech-branches/amp

You can check the cut-off rank of all the IIITs from the link given below:
https://engineering.careers360.com/articles/jee-main-cutoff-for-top-iiits

Also note that the cut-off rank changes every year depending on the difficulty of the paper, and the number of candidates appearing for it.

You can use our college predictor to predict the best college for you:
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Hope this answer helps you.
Good luck!!