Hello Aspirant,

See If we go through the analysis of marks Vs Percentile Vs rank for JEE-Main 2021 then according to the percentile mentioned by you in the question your ST rank is expected under 50-100 .

Note that the rank which is predicted is only the expected rank on the basis of previous year's data so your actual rank might vary depending upon current factors.

Based on such ST rank you can go for following NITs for CSE branch :-

National Institute of Technology Warangal

National Institute of Technology Delhi

National Institute of Technology Allahabad

Malaviya National Institute of Technology Jaipur

Maulana Azad National Institute of Technology Bhopal

To have a list of all those colleges which you can get based upon your JEE-Main rank or score you can use JEE-Main College Predictor:-

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

I hope this information helps you.

Good Luck!!