It looks likely that a group of us will be in Mumbai for a few days in June. We're wondering if there's a really nice cinema (not just a chain) where we can go to watch a Bollywood screening with the local audience experience (cheering etc?)
If you really want to know how lower class and lower middle class people of India watch movies, you can visit Maratha Mandir theater. The quality of theater is not that good but it has some history associated with it. It has a record of screening superhit Bollywood movie "Dilwale Dulhaniya Le Jayenge" for continuous 1009 weeks. Unfortunately it doesn't screen the film anymore.
The place is easy to reach. It takes just 5-minute walk from the Mumbai Central railway station.
Yes, there are still some standalone theatres in Mumbai, such as Regal Cinema, Chandan Cinema in Juhu and Globus Cinema in Bandra. However, it is better to opt for the multiplexes like – PVR, Inox, Cinemax, Big Cinemas.