Dear Ridhika,

According to you, you scored 87% in class 12 and 75 percentile in JEE Main 2021 then your rank would be around 255750 - 287500 . There is minimum chance to get admission in JIIT Noida because your rank is quite high. And according  to the previous year, the closing rank of JIIT Noida for CSE course is 54056.

You can predict other colleges from the link given below

To more information about JEE Mains, and JIIT Noida:-

JEE Main 2021 Exam - Answer Key (Released), Results, Paper Analysis, Question Papers (careers360.com)

Jaypee Institute of Information Technology (JIIT) Noida: Admission 2021, Courses, Fee, Cutoff, Ranking, Placements & Scholarship (careers360.com)

Hope this information helps you...

Best of luck :)