Pulluvan Pattu is a special kind of song sung to please serpant Gods. The song is sung by people referred as pulluvans. They sing the song using an instrument called pullorkudam.
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The pulluvar of Kerala are closely connected to the serpent worship. One group among these people consider the snake gods as their presiding deity and perform certain sacrifices and sing songs. This is called Pulluvan Pattu. This is performed in the houses of the lower castes as well as those of the higher castes, in addition to serpent temples.
The song conducted by the pulluvar in serpent temples and snake groves is called Sarppapaattu, Naagam Paattu, Sarpam Thullal, Sarppolsavam, Paambum Thullal or Paambum Kalam. The main aspects of this are Kalamezhuthu (Drawing of Kalam, a ritual art by itself), song and dance.