Question: what are the best things to buy in mumbai?
Answer: Spices. Available throughout Indian cities and villages, local spices are fantastic and handy souvenirs for any traveler. ... 
Jewelry from Colaba Causeway. Colaba Causeway's busy street side stalls have something to offer everyone. ... 
Gateway of India photographs and postcards. ... 
Saris or clothing. ... 
Art. ... 
Retro Bollywood posters.