The temple is dedicated to Sri Kurmanatha, which is the second avatar of Lord Vishnu, Kurma Avatar (Tortoise). 

Kurma (Sanskrit: कूर्म; Kūrma) was the second Avatar of Vishnu, succeeding Matsya and preceding Varaha. Like Matsya this incarnation also occurred in Satya yuga. The temples dedicated to Kurma are located in Kurmai, of Chittoor district of Andhra Pradesh andSrikurmam, Andhra Pradesh.