Hello there

With 86 percentile in JEE mains, 2020 your rank will be approximately between 125000 and 127000. As  you mentioned, you are from general category it is quiet difficult to get an admission in any of the NITs with this score.

However, for information regarding NITs admission and eligibility criteria, check the link mentioned below

https://engineering.careers360.com/articles/jee-main-cutoff

Hope this was helpful

Thanks

Hello student,
You have not mentioned which state you belong to. Yet, with the above mentioned percentile, the chances are very low to procure a seat in the nits. However you can predict the colleges which you are likely to get using the below mentioned link
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer