you want score a good enough percentile in jee mains the percentilr that you have set would rank above rank 3200 and to grab this position you need to score marks above 200

for arks more than 200 you will have to give precise clear focus on the basic concept and also try to learn formulas instead of thinking that you know how to derive .

hope you get ur ans..

you can visit this link to investigate your self more : https://engineering.careers360.com/articles/jee-main-marks-vs-rank