<P> Mumbai ( / mʊmˈbaɪ / ; also known as Bombay , the official name until 1995 ) is the capital city of the Indian state of Maharashtra . It is the most populous city in India with an estimated city proper population of 12.4 million as of 2011 . Along with the neighbouring regions of the Mumbai Metropolitan Region , it is the second most populous metropolitan area in India , with a population of 21.3 million as of 2016 . Mumbai lies on the Konkan coast on the west coast of India and has a deep natural harbour . </P>
mumbai is located in which part of india
the Konkan coast on the west coast of India