Hello Aspirant,
According to the marks you have mentioned in the question your percentile would be in the range of 97.61-97.81and your rank would lies in between 20014-24164. On the basis of this rank and percentile and category you cannot get into top NITs like NIT Uttarakhand,NIT Jaipur,NIT Jamshedpur and so on with CSE branch as per previous year's cut-offs but you can try for some average NITs. You can check out the cut-offs for top NITs 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 use JEE-Main College Predictor to predict the college :-
JEE Main College Predictor – Know your College Admission Chances Based ...
I hope this information helps you.
Good Luck!!
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