Hello student,

I am sorry to tell you but, there is no possibility that you get admission in University of Delhi with 55% in any course. The last year cut offs for these courses were 85%+.

You can check other colleges/universities which provide these courses.

Here is a link to some universities, you can check them

https://university.careers360.com/colleges/list-of-bsc-in-botany-degree-colleges-in-india

I hope this information helps you.