Hey Ritik

To get admission in any of the colleges under Delhi University the subjects that you can take to calculate your best of four in political science should include Political Science and English besides which it can include Hindi, Economics, Sanskrit, Commerce etc.

Your language (Core /elective) can be any of the two, English or Hindi, while the other one will simply be considered as an elective. If you are swutching streams from scince to arts or from commerce to arts you will have to face deduction of 2.5 marks.

For more details you can visit https://university.careers360.com/articles/delhi-university-admissions-how-calculate-best-of-four-marks