The caste system has always been based on collusion between multiple hegemonic forces. Periyar failed to recognise that.
The reason is simple. The national intellectual landscape is verdant. The Dravidian landscape, on the other hand, is an arid desert, and Periyar was the only cactus plant to have bloomed in it.
The tradition in Bengal was to not bring out weapons to intimidate others, for none will believe that Bhagawan Ramachandra ever did so.
Across India, Dalit students undergo similar experiences to Rohit. Faculty members, university administrators as well as fellow students contribute to isolation, depression and frustration among them.