It is good to hear that you have already decided that you want to do BBA.
As you rightly said that in order to pursue BBA you will have to sit for the entrance exams and then interview.
Almost all colleges conduct their own entrance exams. So it would be better to fill the forms for some of the top universities and colleges in India that offer BBA course. They are as follows:
1. Delhi University
2. Guru Gobind Singh Indraprastha University, Delhi
3. Netaji Subhash Institute of Management Sciences, Delhi
4. Symbiosis Institute of Media and Communications, Pune
5. Barkatullah University, Bhopal
6. St. Xavier's College, Kolkata
7. Loyola College, Chennai
You can apply in these colleges fir doing your BBA.