i got 51 % in 12th in arts i am eligible for bba of your university or not and i am not appling for this course before can i apply now??

You can apply for BBA in UEI as you need to be pass in 12th for admission there. In case you don't get admission there, there are other universities like Amity, Lovely, Sharda etc where you can try for admission. They are also top universities of the country and are offering scholarships / financial