Elephanta Caves
Juhu Beach/Versova Beach
Gateway of India
Taj Hotel Palace
Marine Drive
Band Stand
Powai Lake
Victoria Terminus
Haji Ali Dargah
SiddhiVinayak Temple
Mahalaxmi Temple
-Elephanta caves
-Getaway of India
-Marine drive
-Mahakali caves
-If you wanna see the poor India i recommend visiting the Biggest slums in the world on the Navrang Compound zone in Mumbai.
-Global Vipassana Pagoda (and I recommend taking the meditation course they offer)
-Taj Hotel Palace
-Victoria