The Annamalai Hill was Agni (fire) during Krithayugam, was Manikkam (Emerald) during Threthayugam, was pon (Gold) during Dwaprayugam and rock during Kaliyugam as per the ancient legends. On the request of Thirumal and Bramha by their devout prayer, Siva who was in the form of a fire column took the form of a Sivalingam at the foot of the hill hwere the Arulmigu Annamalaiyar Temple is located.