Hi,

Bca is a undergraduate course it takes 3 year long course,You should have a minimum of 50% score in your higher secondary class with English as a mandatory subject. the eligibility criteria may vary from institute to institute also the entrance exams can vary from university to university,the second process most of the colleges released merit list.

The top colleges for bca are-

Symbiosis institute of computer studies,christ university,loyala college, stella maris college,amity institute of information technology. You can mention also colleges where you want to take admission.