Hi Diksha

Bachelors of commerce ( BCom) is preferred by maximum number of students . 

Eligibility criteria for BCom is : 

You must have passed class 12 with atleast more than 50% in Commerce stream . 

To get admission in good and reputed college you must have 60% or above marks.

So, yes you are eligible for admission in Delhi University . 

Do check cut off list and cut off of all good colleges and also check Eligibility criteria of reputed colleges before filling form. 

All The Best!!