Dear Aman,

You need to understand that this year cutoff will touch sky due unexpected marks students got in their 12th boards exam. Usually 92-94% is enough to get any science branch in any campus of DU but this year definitely it will jump around 95-97% especially for science streams. As your percentage is 87 so there is very less chance for you tp get any campus of the DU.

Better if you give some entrance exams like BHU, AU, IMI to get the BSC CS in these college, as they are also top colleges of India and they will take admissions through the entrance exam not on the merit based.

Good Luck :)