Most of the trains of india are bound to be loss making train as 43% of the fare is subsidized. So is Howrah Duronto, but i wasnot referring to howrah duronto actually in my prev comment. Howrah duronto is still running with good occupancy and can be termed as one of the revenue generating trains of ER because of the flexi fare.
My indication was towards some loss making train which hardly runs with 50% patronage even in peak season. Some of them are Siuri Intercity (13053/54), Bolpur Kaviguru, Hwh Njp ac exp, etc. Just like DHN DD, ER should now think similarly about them too