Hello,

Delhi University offers various undergraduate, postgraduate and doctoral courses in the area of Science, commerce, arts, etc.

Students get admission to the courses and colleges of DU either through merit or through an entrance exam conducted by the University.

• A general candidate should have passed individually in each subject required for calculating merit as per the 'Best of Four' rule.
• B. Sc in  subjects or any branch of Science or Engineering with Physics and Mathematics passed with minimum 60% aggregate marks and 50% marks for B.Sc. (Hons) students.
• For B. Sc. In Physics, Chemistry, Computer Science, Mathematics, Biology and Biotechnology 45% or more marks in the aggregate of 3 subjects such as in Botany, Zoology, Microbiology etc and passing in one compulsory language (i.e. English).
• The overall percentage in 3 should be 45% and one compulsory language should be 40%.
• The selection will be made on the basis of marks in the aggregate of 3 Science subjects.

https://university.careers360.com/articles/du-bsc-application-form

You can refer to this link for more information.

Hope this helps!!