Hello aspirant

With 87 percentile and SC category, there are high chances that you got good colleges. Also, you can get top branches like Computer Science, Electronics, Electrical in top colleges like NITS, IIITs and CFTIs. You can use Careers360 college predictor tool to get your expected college and branch based on your percentile and rank in JEE Mains.

You can check your expected colleges here: https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

It is a very excellent tool which gives you colleges based on previous years opening and closing ranks of colleges.

Hope it helps and all the best for future.