Dear aspirant,

It is almost impossible to get admission to KJ Somaiya College of Engineering in the CS/IT branch with 87 percentile in JEE Mains. You can get admission to CS/IT branch to any other private institute having low cut-offs. You also may attempt JEE Mains once again to improve your percentile so that you will get admission to a good and reputed college in the branch of your choice.

Still, to get more clarity, you can predict your college at the JEE Mains 2021 College Predictor of Careers360 from the below link:

I hope, your query is solved.