Hi Sushanta.

With 87.5 percentile in JEE Mains 2020, you can get a Common Rank list ranking of about 1,08,000. This rank was calculated by calculating the total number of students ahead of you, through your percentile. (100-87.5*869010/100)

With this rank, you can easily get an NIT if you are in SC category. You have chances of getting Chemical, Civil and Metallurgy Engineering in The top 5 NITs. (NIT Trichy, Suratkal, Warangal and MNIT)

For more info on what is the best college and branch that you can get in this rank, check out this college predictor -

All the best.