'Chhau Mask' being made at Charida gram in Purulia, West Bengal. Chhau dance, also spelled Chhou dance, is a semi classical Indian dance with martial and folk traditions. It is found in three styles named after the location where they are performed, i.e. the Purulia Chhau of West Bengal, the Seraikella Chhau of Jharkhand and the Mayurbhanj Chhau of Odisha.