Dear aspirant,

Hope you are doing well. As per your query and as per DU guidelines no can't add two core subjects in best 4. As per the guidelines you can include only two language subjects out of which there can be only one core subject and one elective subject. You can follow these guidelines.

• You need to include one compulsory language that is English
• Your second subject should the one in which you wish to seek admission. If you don't include that subject then   2.5% marks will be deducted from your   best of four percentage
• The next two subjects should be academic/elective subjects according to List A. If you don't include subjects as   per List A then 2.5% marks will be deducted from your best of four percentage.

Please click on the link below for more information and updates. Hope you find this helpful. Thank you.

https://university.careers360.com/articles/delhi-university-admissions-how-calculate-best-of-four-marks