There are Number of Train Types in IR ( Special,Rajdhani, Shatabdi, Duronto, Garib Rath, Sampark Kranti, Jan Shatabdi, Jansadharan, Janhit, Gatimaan, Tejas Suvidha, Premium, Tatkal, AC Express, AC Super Fast, Mail/Express, SuperFast, Passenger, Toy, MEMU/DEMU, Double Decker, EMU and may be more etc)
Do you think the categorization of train types are done rightly ? If your answer is YES please respond justify in one or two sentences. If you answer is NO then please response name of train types you would like to remove or like to merge.