Dear aspirant

Based on your rank and as per the previous year cutoff trends, you can get the following institutes :

• NIT Srinagar - Mechanical Engineering
• NIT Nagaland - Electrical and Electronics Engineering
• NIT Andhra Pradesh - Metallurgical and Materials Engineering
• NIT Raipur - Metallurgical and Materials Engineering

To know your other chances through JOSSA & State level Government & private colleges, You can use the JEE Main College Predictor tool given below :

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

Good luck !

See If we go through the analysis of marks Vs Percentile Vs rank for JEE-Main 2020 then according to the percentile mentioned by you in the question your CRL and EWS ranks are expected to be in the range of 255750 - 287500 and 35000-40000 .

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 and percentile :-

JEE Main Rank Predictor 2021 - Predict your JEE Main ...

JEE Main Rank Predictor - Know your expected IIT JEE Main 2021 Rank by ...