Lying on Indias Konkan Coast, Mumbai is the most populous city in the country. For those who live there, its the city that never sleeps, brimming with hope and opportunity. For those of us who dont, its an urban jungle of buildings, noise and unbridled chaos that seems to only make sense to its inhabitants. And at the centre of it all is its lifeline, the Mumbai locals or the local trains. Spanning over 465km and ferrying more than 7.5 million commuters every day, Mumbais Suburban Railway System is one of the busiest commuter railway systems in the world. For an outsider or a newcomer to the city, the train system can be confusing and sometimes positively overwhelming. So, heres a handy little guide that may help you hack the system

