Sarpam Thullal (Dance of Snakes) or Nagakalam Pattu, is a unique form of mystical ritual associated generally with ancestral temples or tharavadus predominantly in state of Kerala. From ancient times many family houses in Kerala have special snake shrines called Kavu or Pambin Kavu where this exotic and spectacular ritual performance is associated to, it is generally conducted to appease the snake gods and thereby to bring prosperity to the family. The snake worship is considered to have been widespread and existed before the adaptation of Aryan Hindu practices.