I got 98.33 pr in jee main 2020 january attempt which best college can I get for computer science?

HELLO SAURABH
Congratulations for your result and qualifying JEE mains.
since it is very difficult to predict the exact rank but we do have a backup we have a formula to calculate the expected rank that is (100 – Total percentile) x 869010/100.
So according to formula your expected rank for present percentile for January session comes out to be 14512. Now the expected rank might change depending on the no of candidates appearing the april session. For ex if 12 lakh candidate appear the april session then just replace 869010 by 12 lakhs. But if you score above 85 percentile then you have a very decent chance of qualifying jee mains.
Well you can get CSE saetas in many NITS
NIT Patna - Approx 16.5k
NIT Silchar - Approx 16.5k
NIT Agartala - 19k around (I would prefer going to this )
NIT durgapur Information Technology - 13.5k (It might go up to 15k chances are slim but possible)
NIT Raipur Information Technology - 18k
NIT Uttarakhand CSE - 18.8k (I won't suggest this one)
BUt getting seats into top 5 NIST seems a little difficult
No worries since you the potential and april attempt left so try to score 99.6+so that top 5 NITS are in your hand and most importantly baap of the exams i,e Advance which may directly lead you into IIts.

But if you are curious to know that which college you might land into with your percentile then you can use the college predictor link which has following features;

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ALL THE BEST FOR APRIL AND ADVANCE!!