What is a classic novel?
It should be contemporary, non theoretical.
It can cover a season or a life.
Mixing generations and mysticism (rebirth) steps outside the classic definition.
Kalki's Ponniyin Selvan is a classic historical novel, set with sort of real life events. Got it?
Pitahmagan movie by Vikram is a classic movie by Bala, which cannot be written. So the movie media can be classic in a certain aspect, including Sarkar Raj.
Dasavatharam is pure fiction and action.