Railway Minister Suresh Prabhu on Friday unveiled new 'AC-Three Tier' coaches which sport modern facilities of the 'Humsafar Express'."Unveiling your "Humsafar", inspected and unveiled the new rakes of Humsafar brand of trains to be run," Prabhu said in a series of tweets."Humsafar Express is new beginning for affordable luxury train travel in India. A new train product which is fully AC with optional catering," the Railway Minister said in another tweet.Highlighting the facilities of the new train, Prabhu said: "Humsafar train coaches will have pleasing and comfortable interiors and attractive exteriors.""GPS-based public information system, deodoriser, fire suppression system, pleasing and hygienic lavatories are just some of the features.""It will also be equipped with mini-pantry with oven/fridge, convenient berth identification, distinctive furnishing board and welcome boards," he elaborated.The Railway Minister observed that the new 'train product' was a "Rail Budget promise". "Coming up with various new products to cater to different needs of our people," Prabhu added.The Humsafar Express is a special class train which is meant to operate for inter-city overnight journey. The train includes facilities which are otherwise not available in normal 'AC-3 Tier coaches'.