Vasuki, the King of Serpents, did penance and worshipped Lord Shiva here. Planet Kethu, considered the bestower of Gnana, is worshipped in a separate shrine. Kethu brings prosperity to the devoteees family, removes the effect of snakebite and illness arising out of poisonous matter entering onees body. He grants good health, wealth, cattle and prosperity. Lunar and solar eclipses are said to occur because of Rahu and Kethu. The temple of Sri Kethu, lies in Kizhaperumpallam, situated near Poompuhar, In Tamil Nadu.