Many serpents, including Adishesha, Takshaka and Karkotaka, worshipped Shiva at this place, leading to the name "Tirunageswaram". The temple is counted as one of the Navagraha Temples for planet Rahu.A unique feature of Naganatha Swamy temple is that Lord Rahu is seen with human face. While in other places, Lord Raaghu is worshipped with a serpent face.
Cab
Sthalapuranam