Hello,

You can apply for BMM course in St. Xavier's college, Mumbai here http://xaviers.edu/main/

The admission notification 2020 is not yet released due to the corona crisis.Once the application is out you can fill it.You need to make online payment for application fee.

You can check the guidelines given in 2019 for BMM admission procedure here

https://sxcbom.files.wordpress.com/2019/04/bmm-bms-entrance-test-2019-revised-notice-2.pdf