Hello kartik,

BBA admission based on 10+2 marks or equivalent exam from any educational board. But some universities conduct their own entrance. There are several entrance exam for bba :-

•IPU CET- Indraprastha university conduct Indraprastha university common entrance test (IPU-CET).

•SET- Symbiosis entrance test conducted by symbiosis university.

•AIMA UGAT- AIMA undergraduate national level aptitude test conduct for admission to various colleges.

I hope this helpful for you.

In most of the colleges in India, admission to BBA courses are done on the basis of marks obtained in the 10+2 or equivalent. Some of the top institutes take entrance exam to give admission to BBA programmes and those are- DU JAT, GGSIPU CET BBA,  NPAT BBA, SET BBA, IPMAT etc.
http://bschool.careers360.com/articles/top-5-bba-entrance-exams-know-exam-pattern-eligibility-criteria-and-selection-process