India, March 8 -- By Dr. K. Javeed Nayeem, MD

Going by the responses I have been getting for my last two articles, travelling by train seems to hold a great enchantment to most people. So many people have written or messaged to say that they have so many happy memories of rail travel from their childhood, that I have just not been able to find time to write back to all of them yet.

But I'll certainly do it before it's too late. The interesting thing to note here is that while many people have said that they were greatly charmed by the train travelling they used to do in their childhood, a good many have said that they still enjoy travelling over long distances by train, rather than taking any other mode of travel, although these days, t...