Mumbai is the busiest cosmopolitan city of India. The city ranks 35th of 48 cities for perception among global citizens as a place to work, live and visit and ranks 13th in the list of attractive cities for professional and private life. The key sectors contributing to the city's economy are Banking, Financial Services & Insurance, Gems & Jewellery, Leather Processing, IT & ITES, Textiles, Entertainment. It is the fastest growing international destination in the world is the wealthiest city in India with highest number of billionaires and millionaires.