Vaitheeswaran Koil or Pullirukkuvelur is a Hindu temple dedicated to the Lord Shiva, located in the Indian state of Tamil Nadu Shiva is worshipped as Vaitheeswaran or the "God of healing" and it is believed that prayers to Vaitheeswaran can cure diseases. Vaitheeswaran is a Tamil derivative from vaidya (Doctor) and Ishvara (God/Master). The presiding deity is Sri vaidyanathan. He is the God of Healing. When pronouncing in Tamil, it sounds like "vaideeswaran". It is one of the nine Navagraha (nine planets) temples and is associated with the planet Mars. The village is also known for palm leaf astrology called Naadi astrology in Tamil. It is located 7 kilometers from Sirkazhi, 235 kilometers from Chennai, 27 km from Chidambaram, 110 km from Thanjavur and 16 km from Mayiladuthurai.The holy waters of the Siddhamirtham tank within the temple complex contains nectar, and a holy dip is believed to cure all diseases.