Hi,
Some of the best university for BSC in business management in India are as follows:-

• SP Jain institution of Management
• Loyola Institute Of Business Administration
• Indian School of Business
• Faculty of Management Studies
• Institute of finance and International Management

Different colleges have different different eligibility criteria some of them ask for only 60% or 55% in your 12th board some of them take entrance exams and select student throw merit basis some of the colleges take admission through management quota so whatever college you are seeking look at the profile and policies of that college.
Either you fill the online form or you can go through that University to fill the forms.
Thanks for connecting career 360.