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
The Name of the Doctor in other places in time and space. She enters the time stream to restore the Doctor's timeline. Echoes of Clara fall through space and time and appear in adventures of the Doctor's previous incarnations. The Doctor enters the column of light to save the original Clara, guiding her from a place where she sees several previous incarnations of the Doctor. Reunited, the two spot another figure in the shadows which Clara does not recognise. The Doctor explains the elderly figure is another past incarnation of himself, but what he did in the past was not in the Doctor's name. Imagery