Mumbai is one of the biggest Metropolitan cities in India and is also the commercial hub of India. Mumbai is the capital city of Maharashtra and is one of the most modern cities in India and is also considered among the top cities in the world. Due to its highly urbanized nature, it is also considered as one of the most expensive cities in the world. Mumbai, which was previously known as Bombay is also a center of high real estate business due to its ever soaring real estate prices. Mumbai has the distinction of being the most populous city in India and also holds 4th place among the most populated cities in the world.