This temple is situated in the middle of the Big Street in Kumbakonam. This is one of the temple which is associated Mahamaham festival in five Vishnu Temple. Here Rajagopalar is the main deity of the temple. Rukmani, Sathyabama, Alamelu Mangai and Sengalamala Valli Thayar are the other important deities in this temple.
Ko means ‘cow’ and Balan means ‘young’. Here lord Ragagopala Samy is blessings to poor and devotees in the form of Kobalan.