It is a Hindu temple built in Kerala based on Dravidian architecture.
Deity of the temple is Maha Vishnu.
This temple is the only one to record in sangam period of literature.
There are other two important shrines present inside the temple of deities Ugra Narasimha and Krishna. This temple is an intricate fusion of the Kerala style and the Dravidian style of architecture associated with the temples located in the neighbouring state of Tamil Nadu.