Samit Roychoudhury trained as a designer from the National Institute of Design, Ahmedabad in the 1990s, and then spent a few years in the computer industry in Calcutta.Trains have been his passion since childhood, and through the Great Indian Railway Atlases (and other publications), brings years of research and information presented with the minutest of details.His products stand out, because, unlike other similar products, his has been compiled by someone who has a deep understanding and love of the railway system.Samit freelances as a web, graphic and map designer, and also teaches students of design.