Background: I went to Manchester yesterday - spend about 6 hours in train. It was the best setting to brainstorm alone ... and during the travel popped an idea, which i keyed into my laptop there and then. I have a desire to expand this idea and would love readers to provide inputs - especially if you think you have functional knowlegde and experience in the field of Railways. The railway network in India is organised on the 'tree topology ' meant primarily for long distance passenger travel and goods haulage. This is quite opposite to that in Europe where rail networks are organized in 'Hub-and-Spoke' topology and trains are means of fast, comfortable and no-frills (no check-in, etc) transport for domestic & small distances while air-travel is more common for international & long distances. One of the reasons for this might be the political landscape of Western Europe with each country having a hub - usually capital city - connecting other smaller towns &