Dear Aspirant

Yes, you can join in B.A. course even if you are from Science stream. Because candidates who have completed their 12th standard from any stream are eligible to join in B.A. course. To get admission,  you have to fill the application  form because the  university conduct their own entrance test for providing admissions top B.A course. You need to qaulify entrance examination to get admission in B.A course and by qualifying entrance examination based on merit of candidates, seats are provided to merit candidates in B.A course.

If you want to know more about it check out the link given in below

https://www.google.com/amp/s/university.careers360.com/articles/du-ba-application-form/amp