There are two ways of getting admission in merit based courses in Delhi University.
1)  Best of four percentage
2)  Aggregate of PCM marks

Each course has its own requirements. Some courses like Chemistry hons. and physics Hons.  Do take into account an aggregate of PCM marks and courses like maths Hons. And statistics Hons take BFS into consideration.

The 3 science subjects that need to be a part of your best-of-four calculation vary from course-to-course. Here is a list to act as a guide for some of the popular courses:

BSc (Hons.) in Physics, Chemistry, Electronics, Instrumentation, Polymer Science Physics, Chemistry, Maths

BSc (Hons.) in Zoology, Botany, Microbiology, Anthropology Physics, Chemistry, Biology/Biotechnology

BSc Biological Science Physics, Chemistry, Biology/Biotechnology

BSc Life Sciences/Applied Life Science(s) Physics, Chemistry, Biology/Biotechnology

BSc in Physical Science/Applied Physical Science(s) Physics, Mathematics, Chemistry/Computer Science

BSc (Hons.) Geology Physics, Chemistry and Mathematics/ Geology/ Biology/ Biotechnology/ Geography

BSc (Hons.) Bio-Chemistry Chemistry, Biology/Biotechnology, Physics/Mathematics

BSc (Hons.) Home Science Physics/Chemistry, Biology/Biotechnology, any subject from list A (except languages).

BSc (Hons.) Food Technology Physics, Chemistry, Mathematics/Biology/Biotechnology


As opposed to the science courses, mathematics and computer science courses can be pursued by students from any stream; the only requirement for eligibility is for you to have pursued Mathematics in your class 12th. The domain includes courses such as B.Sc (Hons.) in Mathematics, Statistics, Computer Science and B.Sc Mathematical Sciences.

Here are the subjects that need to be a part of your best-of-four calculation for courses in this domain:

Language (Core/Elective/Functional)
Mathematics
2 Subjects from List A

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