which NIT I will get for the rank 47366 CRL and 12532 OBC in jee mains?

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 a seat in the NITs.

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

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!!