If you live in and around Bandra, then you can also check out Shalu Music store opposite KFC in Bandra West. Shalu Music Store was set up in 1988 and has been affiliated with all major music brands since then. There’s Yamaha, Focusrite, Avid, Apogee, Neumann, Roland, Walden and so on.
In fact, before going to the store you can send in your query about a specific instrument, or the product you’re looking to buy via their website and then head there.
You can find more information on their website here.