Dhokra art uses lost wax technique and traces its origin to the Mohenjodaro Dancing Girl and it is the oldest techniques of metal casting.An another name of Dhokra art is "Bharai Kaam". Dhokra Art metal craft finds different forms of expressions with the different traditions and tribes.
The name. Dhokra Damar tribes are the traditional metalsmiths of West Bengal. Their technique of lost-wax casting is named after their tribe, hence Dhokra metal casting. The tribe extends from Jharkhand to West Bengal. Dhokra Art is the earliest known method of non-ferrous metal casting known to human civilization.