Hii Subhjeet,

Your marks are average and The cutoffs for the Bachelor's in sciences in various fields offered by the university of delhi , New delhi is very high mostly more than 95 percent best of four aggregate including maths and english as compulsory/mandatory . The top notch colleges are the North campus colleges like Ramjas , Hansraj,Hindu and many others .With 87 percent in class 12th boards you are a very average student and you chances are that much to make it to Du for pursuing bachelor of science honours provided if you belong to the General cateogory . You can reach out to us for more help.

Hope it helps

Thanks