As you obtained the good score then you have the number of choices to be filled. You must have cleared your class 12 form state board with 50% marks having any stream (commerce stream is not necessary).For the course mentioned above you have to apply online through the mumbai university website and you have to go through the choice filing. You have number of colleges and according to your course you have to simply fill the choices online and then you have the merit list. Then you have to confirm the admission and you can start wth the course.