Hello Aspirant,
Based upon your percentile of January attempt of JEE-Main 2020 your expected rank is in between of 0-74 and on the basis of marks scored in September session of JEE-Main 2020 your expected percentile is 99.74-99.94 and expected rank will be in the range of 463-1513. On the basis of this rank you can easily get into top NITs with top branches as per previous year's cut-offs which you can check out from the link given below :-
https://www.google.com/amp/s/engineering.careers360.com/articles/jee-main-cutoff-for-top-nits/amp
You can also ise JEE-Main College Predictor to predict your college according to the percentile calculated above :-
JEE Main College Predictor – Know your College Admission Chances Based ...
I hope this information helps you.
Good Luck!!
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