Hello there. Hope you are doing good. On the official website of Banasthali Vidyapith, eligibility criteria mentioned for admission into MBA course is that you should have a minimum of 50% aggregate marks in your graduation. There is no mention of 12th marks required. You can contact the college by visiting Contact us section on the official website.

http://www.banasthali.org/banasthali/wcms/en/home/admissions/mba1.html

I hope you found this answer helpful. Good luck for your future.