Hey there!
Admission in Delhi University is merit - based. It means that the admission is taken on the basis of your 12th grade percentage. Different colleges have different cutoffs and depending on that you can choose your college. For some of the amazing colleges your percentage should be around 93 atleast if you are a general category student. You can check out the link given below to see the cutoff list.
https://university.careers360.com/articles/du-cutoff/amp
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile