is no mention about the deity, it is not classified as Padal petra stalam. The image of Ketu is located in the first precinct and houses the image made of black granite. The shrine faces West and shown worshipping the presiding deity. The image of Vinayaka in the temple is called Anugraha Vinayaka. The gopuram and the central shrine faces East, while the other entrance faces South towards the shrine of Ambal. There are other shrines for Ambal, Subramanya, Gajalakshmi and Bhairavar. In modern times, the temple is maintained and administered by the Hindu Religious and Charitable Endowments Department of the Government of Tamil Nadu. Religious importance The temple is one of the nine Navagraha temples of Tamil Nadu and is a part of the popular Navagraha pilgrimage in the state - it houses the image of Ketu. The planets are believed to influence the horoscope computed based on time of one's birth and subsequently influence the course of life. Each of the planets are believed to move from a star to another during a predefined period and thus sway over an individual's fortunes. The Navagrahas, as per Hindu customs, are believed to provide both good and bad effects for any individual and the bad effects are mitigated by prayers. As in other Navagraha temples, the common worship practises of the devotees include offering of cloth, grains, flowers and jewels specific to the planet deity. Lighting a set of lamps is also commonly followed in the temple. As per contemporary Saivite belief, the energies distributed cyclically by Navagrahas can be channeled based on remedial measures. As per local legends, Shiva, the overlord of the nine planetary deities, allowed them to freely grant wishes based on devotion of the devotees. Worship and festivals The temple priests perform the pooja (rituals) during festivals and on a daily basis. Like other Shiva temples of Tamil Nadu, the priests belong to the Shaivaite community, a Brahmin sub-caste. The temple rituals are performed six times a day; Ushathkalam at 5:30 a.m., Kalasanthi at 8:00 a.m., Uchikalam at 10:00 a.m., Sayarakshai at 6:00 p.m., Irandamkalam at 8:00 p.m. and Ardha Jamam at 10:00 p.m. Each ritual comprises four steps: abhisheka (sacred bath), alangaram (decoration), neivethanam (food offering) and deepa aradanai (waving of lamps) for Naganathaswamy. The worship is held amidst music with nagaswaram (pipe instrument) and tavil (percussion instrument), religious instructions in the Vedas read by