Karuvur Devar is the spritual guru of Rajaraja-I and he is one of the prime responsible person in constructing the Brihadesvara temple. This shrine is located in the west portion of the temple in the Prahara. This shrine is an recent addition to the Brihadeswara temple during this century. Karuvurar is also considered as one of the 18 siddhars. Weekly prayers are conducted by Karuvurar sabai.

A rare painting of Chola period found with the Archealogical department is shown on the side.