Hello Priyanka, There are various bsc courses in DU are :

• B.Sc (Hons.) Computer Science
• B.Sc (Hons.) Mathematics / Statistics
• B.Sc Mathematical Sciences

The above mention courses requied 60% or more in mathematics.

• B.Sc (Hons.) Anthropology/ Biological Sciences/ Botany/ Microbiology/ Zoology
• B.Sc (Hons.) Chemistry/ Physics/ Polymer Science

And the above mention courses are required 60% or more in English.

for more information you can visit DU at Careers360

hope it is helpful for you :)