Earlier Mumbai formerly called Bombay is a thickly populated city located at west coast of India. It is a financial center of India's largest city. Waterfront stands the iconic Gateway of India stone arch on the Mumbai Harbour which had been built in 1924 by the British Raj. In the open sea, nearby Elephanta Island grips ancient cave temples which are dedicated to the Hindu lord Shiva. Most commonly Mumbai is famous among people as the heart of the Bollywood film industry.