Hello Aspirant,
As you belongs to UP so in NIT Trichy you have to take admission under Other State quota.
As we go through the latest cut-off of 2020 then it shows that the closing OBC-NCL (PwD) rank was 36 for CSE branch in NIT Trichy under Other state quota. Now to secure such rank you should have your JEE-Main 2021 score at least 190-210 out of 300 and percentile against this is expected to be in the range of 99.7108311325455 - 99.845212160289.
For complete details about Marks Vs Percentile and Marks Vs Rank kindly check out the links given below :-
https://engineering.careers360.com/articles/jee-main-marks-vs-percentile
https://engineering.careers360.com/articles/jee-main-marks-vs-rank
You can check out the latest cut-offs from the link given below :-
https://josaa.nic.in/Result/Result/currentorcr.aspx
Note that the above prediction is made on the basis of latest cut-offs available on official website of JOSAA or CSAB and the cut-offs are bound to change every year depending upon various factors such as the number of candidates appearing in an examination, the number of candidates qualifying an examination, difficulty level of the paper, and so on.
To have a list of all those colleges which you can get based upon your score, category, and state you can use JEE-Main College Predictor :-
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer
As you are preparing for JEE-Main 2021 the I would recommend you to check the resources made by our experts to help aspirants like you in the best and smart preparation of JEE-Main 2021 :-
https://learn.careers360.com/jee-main-coaching/?
I hope this information helps you.
Good Luck!!
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