Hello Aspirant,

Since you have not mentioned the name of examination for which you are seeking information so it is little bit difficult to give you an accurate information, but if we go through your profile then it shows that you are an engineering aspirant so you might be asking for JEE-Main, if not then please mention the correct one in the comment section below.

If we go through the analysis of OBC rank Vs  CRL rank for JEE-Main 2020 then according to the CRL rank mentioned by you in the question your OBC rank is expected to be in the range of 2500-4500.

You can also 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 :-

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

To have a list of all those colleges which you can get based upon your 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 you are preparing for JEE-Main 2021 (remaining attempt) or 2022 then 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 or 2022 :-

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

I hope this information helps you.

Good Luck!!