Hello Aspirant,

If we go through the analysis of marks Vs Percentile Vs rank for JEE-Main 2020 then according to the marks mentioned by you in the question your son's CRL rank is expected to be in the range of 2664 - 2004, you can check out marks Vs ranks Vs Percentile from the link given below :-

https://engineering.careers360.com/articles/jee-main-marks-vs-percentile

Or

You can also use JEE-Main Rank Predictor to predict your rank :-

As we go through the latest cut-offs of JEE-Main 2020 of JOSAA 6th round then it shows that the closing OBC rank for NIT Warangal was 594 for CSE branch in NIT Warangal under other state quota for OBC NCL category. And his OBC rank is expected to be around 500-800 so he has decent chances to get NIT Trichy with CSE branch.

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 his marks, category, and state you can use JEE-Main College Predictor:-

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

If he is preparing for JEE-Main 2021 or 2022 then I would recommend you to check the resources made by our experts to help aspirants in the best and smart preparation of JEE-Main 2021 or 2022 :-

https://learn.careers360.com/jee-main-coaching/?utm_source=%20QnA

I hope this information helps you.

Good Luck!!