 The life of Seruthunai Nayanar is described in the "Periya Puranam" by Sekkizhar (12th century), which is a hagiography of the 63 Nayanars.The "Periya Puranam" narrates his tale twice, once in the chapter dedicated to him and again in the tale of the Pallava king Kazharsinga, who is also considered as a Nayanar saint.Kazharsinga is dated between 8-9th century depending on identification with historical Pallava kings.