Humsafar, Tejas exp these r not much required for passengers of India..... for certain routes and certain class of passengers its ok....but not for poor , labour, working class and also for middle class passengers.
According to me in IR some of the most preffered types of trains till date r:
Garib rath trains,
Janshadharan trains,
Duronto...
more... trains with SL coaches
Superfast and Express trains.
IR must run more of these types of trains instead of running mainly Humsafar, Tejas, Shatabdi , gatiman, bandebharat type trains