Here are the Government medical colleges in Mumbai given below you can prefer:

Armed Forces Medical College, Pune
Seth Gordhandas Sunderdas Medical College and King Edward Memorial Medical College, Mumbai

Grant Medical College and Sir JJ Group of Hospitals, Mumbai

Topiwala National Medical College and BYL Nair Charitable Hospital, Mumbai

You can check the further colleges with the given below link.

https://medicine.careers360.com/colleges/ranking/top-government-medical-colleges-in-maharashtra

If you explain about the particular college then I can help you about the fees structure.

Good Luck!