What makes Mumbai the richest city of India?

Related questions

1. What is the main religion in Mumbai?
2. Is it safe to travel in Mumbai?
3. Is Mumbai and Bombay same?
4. Is Mumbai South or North India?
5. Is Mumbai North or south India?
6. Is Mumbai a city or district?
7. How can I go to Fashion Street in Mumbai?
8. What is Delhi Favourite food?
9. What is the site of Mumbai?
10. Is Mumbai a district?

Tags

1. #followed
2. #wealth
3. #total
4. #mumbai
5. #report
6. #millionaires
7. #which
8. #second
9. #respectively
10. #richest
11. #bengaluru
12. #place
13. #billion
14. #delhi
15. #indian
16. #according
17. #world
18. #third
19. #billionaires