Hi,
To get best college in DU for your preferred course, you need to focus primarily on your 12th Board exams. Since, you have PCB, you need to focus more on these subjects along with English as these four subjects are the best options to include in your BEST FOUR.
Here is a link where you can get the cut offs for previous years: https://university.careers360.com/articles/du-cutoff
I hope this helped you.
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