There are so many colleges which take the admission without any entrance exam like CAT, CMAT, MAT etc. but without entrance exam MBA degree does not have the value & recognise well. Or there are many universities which conduct their own entrance like, SNAP, IIFT etc. So I would suggest you to get admission through the entrance like CAT, CMAT, MAT etc.

You can check all the entrance exam with given below link.

List of Management Exam

You can also check the top colleges with given below link.

Top MBA colleges

Good Luck!