When we went to India this year we were faced with the dilemma of transport. And I say dilemma because there are so many methods to the madness, all with pros and cons. According to a report from the United Nations, Delhi is now the second most populous city in the world with 25 million inhabitants. Traveling from a metropolitan area of 10 million, we thought we knew what insane traffic looked like, but we were mistaken. Faced with that the choice to tackle the metro was obvious.