They slowely diminished previous categories but introduced new ones. This means they also want different categories. This shows political-based behavior. The fact that there should be a uniqueness to Rajdhani, Duronto is that if something is introduced and is successful, it should be maintained for that deserving cost. Keeping it anyhow is the unprofessional thing for railways. It's like you cannot be consistent with what you promised. And yes of course, when people pay more they should get that thing.