Hi
Yes there are more chances that you should get a decent college for bsc in  mathematics but it is very difficult to predict the exact college as the cutoffs of different colleges changes every year year so here are some of the colleges that you have chance -

Acharya narayan dev college

Deen Dayal Upadhyaya college

Deshbandhu college

Kamla Nehru College

Keshav Mahavidyalaya

P.G.D.A.V. college

Ram lal anand college

Hope it helps ..