Hello Aspirant,
Since you have not mentioned the name of examination for which you are seeking information so it is quite difficult to provide you an accurate information but if we go through your profile then it shows that you are an engineering aspirant so considering it for JEE-Mains, if it is wrong then please mention the correct one.
So If we go through the analysis of marks Vs Percentile Vs rank for JEE-Main 2020 then according to the ST rank mentioned by you in the question your marks are expected to be in the range of 125-135 and percentile is expected to be in the range of 96.5-97.5, you can check out marks Vs CRL 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 :-
JEE Main Rank Predictor - Know your expected IIT JEE Main 2021 Rank by ...
Note that the marks which are predicted is only the expected marks on the basis of previous year's data so your actual marks might vary depending upon current factors. To give you an idea of your approximate marks we have provided the expected range of marks.
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 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!!
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