Hello aspirant,

There are 4 main subjects which you can include among all your 6 subjects to get the aggregate which will be considered as your percentage. So, you can only include those 4 subjects and find out the aggregate which are mentioned by Delhi University. The list of subjects and details of calculating the aggregate will be easy to find out on our official website you can find the link below https://www.google.com/amp/s/university.careers360.com/articles/delhi-university-admissions-how-calculate-best-of-four-marks/amp