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 percentile is expected to be in the range of 99.71 - 99.79 as it was moderately difficult shift in comparison to others, 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 :-

Note that the percentile which is predicted is only the expected percentile on the basis of previous year's data so your son's actual percentile might vary depending upon current factors. To give you an idea of your approximate percentile we have provided the expected range of percentile.

To have a list of all those colleges which your son 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(for remaining attempts) 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!!