Hey,

It's some kind of thing you need to figure it out on your own. Every hospital has some internship cell which helps students to intern in their hospital . You need to personally visit the hospital and needs to talk with the authorities in order to take permission to complete the respective internship.

If you want I can give you the name of hospital in Mumbai,

Kokilaben Hospital,. Max Hospital, Bombay Hospital  and many more.

Report to the hospital and know their thing about the internship.

Hope that helps.

Thank you.