Vaitheeswaran Kovil is a Hindu temple dedicated to Shiva, located in the Indian state of Tamil Nadu. Shiva is worshipped as Vaidyanathar or Vaitheeswaran, meaning 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, facing towards West whereas East side is the common one. He is the God of Healing. When pronounced in Tamil, it sounds like "Vaideeswaran." It is one of the nine Navagraha (nine planets) temples and is associated with the planet Mars (Angaraka).

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 Angaraka (Mars). The planets are believed to influence the horoscope computed based on the time of one's birth and subsequently influence the course of life.

In Naadi Astrology, a Dosha refers to a karmic flaw, planetary affliction, or energy blockage resulting from negative actions (Karma) performed in past lives. Dosha Nivarana remedies are the specific spiritual solutions prescribed in Kandam 13 (Shanti Kandam) and Kandam 14 (Deeksha Kandam) of your palm leaf to neutralize those afflictions and restore balance to your life.