According to Hindu mythology, he is the son of Bhoomi Devi or the Earth. Also, known as Ankaraka; which means “one who is red in colour”.
In Hindu astrology, he is malefic in nature, and a teacher of occult sciences. He represents the fighting spirit: energetic actions: self-confidence: heroism: ego: adventurism and impulsiveness. He also influences the working of blood circulation, muscles and bone marrow.
He rules over the signs of Aries and Scorpio. Color is red. Favorite metal is brass and the gem stone associated with him is red coral.
Lord Subrahmanya is the ruler of this Graha.
The VaitheeeswaranKoil, which houses this Ankaraka shrine, is dedicated to the Lord Shiva. He is known as Vaitheeswaran or Vaidyanathan- the god of medicine. The temple has an equally famous Subrahmanyashrine.
The temple is known for its healing power. The water of Siddhamritha thirtham- the temple tank is believed to have curative properties for various skin diseases.
There is also a widespread belief that worshipping this deity would remove obstacles that delay marriages.
According to the legend, LordSri Rama cremated Jatayu (the eagle who tried to rescue Sita from Ravana) here. There is a tank called JatayuTheertha inside the temple.
Attending the procession of the idol of Ankaraka, on a goat mount, on Tuesday is considered holy; it attracts many devotees.
The vast temple which dates back to 7nth and 8th century AD is near Chidambaram.