Horo Vishnu. The Chhau dance of Seraikella has passed through many vicissitudes in history. Once a flourishing art under royal patronage it has passed through periods of stresses and strains and is now on the threshhold of a great revival, in the wake of a new awakening to unearth india's rich cultural heritage. The whole technique of Seraikella Chhau dance is evolved and taken shape around the special feature of the mask.