The presiding deity is called Sathyamurthi Perumal. The temple is old and large, and striking in appearance. The main statue of 'Sathyamurthi Perumal approximately seven feet in height, is standing on a rock, along with his wives. In the next Sannidhanam (sanctum), Mahavishnu's sculpture is in sleeping position, the position which is called in Tamil Ari thuyil, sleeping with a sense of knowing what is going on at present. Sculptures of Mahavishnu in this position can be viewed in many temples, although this is one of the largest examples. There are many other sannidhis in the temple. All the statues are sculptured beautifully. It is where the largest Anantasayi (Vishnu in reclining pose) in India. It is a natural cavern which has been changed into a shrine.