Economy of Mumbai financial institutions such as the Bombay Stock Exchange, Reserve Bank of India, National Stock Exchange, the Mint, as well as numerous Indian companies such as the Tata Group, Essel Group and Reliance Industries are located in Mumbai. Most of these offices are located in downtown South Mumbai which is the nerve centre of the Indian economy. Many foreign establishments also have their branches in the South Bombay area. Mumbai is the world's 37th largest city by GDP. Mumbai was ranked among the fastest cities in India for business startup in 2009. As of 2009-10, Mumbai enjoys a Per Capita Income
Indian name are normally never carried on over successive generations. Some Tamils also use an inverted patronym. For example, Swati Krishna might write her name as Krishna Swati, making her patronym the first name and first name the last name. More common among women, the inverted patronym is also adopted by people migrating to the West who want to be called by their first names without having to explain Indian naming conventions. In earlier times a caste name or village name was used by the Tamils as their surname, but the present day generation is wary to do so. However, people influenced