Hello,

You haven't mentioned your category assuming that you belong to general category considering the cut off this year in round 3 the chances are low to get seat in B.Sc (Hons) Mathematics in Delhi University affiliated institute. You should have minimum 94-96% or above in best  four subjects. You can check the cut off using the link given below

https://university.careers360.com/articles/du-cutoff

Cut off changes depending on total number of candidates applied. marks scored, total number of seats available etc.

To know the colleges in which you have chances of getting seat you may use our DU College Predictor Tool

https://university.careers360.com/delhi-university-college-predictor?utm_soource=qna