Hello Aspirant,

See it is quite difficult to predict your exact figure of rank because it keeps on changing every year depending upon various factors but yes we can help you with approximate figures on the basis of analysis of previous year's data.

So 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 to be in the range of 1800-2500 .

As we go through the latest cut-offs of JEE-Main 2021 of JOSAA 6th round then it shows that you can get following branches under Home state quota in National Institute of Technology, Tiruchirappalli :-

Computer Science and Engineering

Electronics and Communication Engineering

Chemical Engineering

Civil Engineering

Electrical and Electronics Engineering

Mechanical Engineering

So you have good chances to get National Institute of Technology, Tiruchirappalli with almost all of the branches under Home state quota.

You can check out the latest cut-offs from the link given below :-

https://josaa.admissions.nic.in/Counseling/seatallotmentresult/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 JEE-Main score or rank 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!!