Mumbai is the world-famous city of India. Earlier, it was identified as Bombay the capital of Maharashtra, India and trade capital of India. This most popular metropolis of India is the 4th the most crowded city in the earth. The average population of Mumbai is around 20.5 million plus. The neighbor cities of this metro city are Thane and Navi Mumbai. This Indian tourist place lies on the western coast of India. Natural harbor is the best spot to watch in Mumbai.