Hii!
There are a lot of Colleges in Mumbai providing Bachelor's in Management Studies ( BMS ) course. But, there are other colleges too, apart from Mumbai across Maharastra. Some of them are-
* ISB&M College of commerce, Pune
* Indian institute of cost and Management Studies and Research, Pune
* R. C Patel Institute of Management Research and development, Shirpur
* MIT World peace university, Pune
* Pillai College of Arts Commerce and science, new Panvel
* Viva College, virar
ETC.,
Visit the following link for more information-

https://bschool.careers360.com/colleges/list-of-bms-colleges-in-maharashtra

Hope this helps.
Good luck!