Devapiran Temple, (Irattai Tirupati Temple), Tholavillimangalam, Thoothukudi – Religious Significance
Brahmanda Purana, is one of the eighteen sacred texts of Hinduism and written by Veda Vyasa contains a chapter called Navathiruppathi Mahatmiyam that describes all the nine temples of Navathiruppathi. The Devapiran temple is revered in Nalayira Divya Prabandham, the 7th–9th century Vaishnava canon, by Nammazhwar. The temple is classified as a Divyadesam, one of the 108 Vishnu temples that are mentioned in the book.
The temple is also classified as a Navathiruppathi, the nine temples revered by Nammazhwar located in the banks of Thamiraparani River. Nammazhwar makes a reference about the temple in his works in Thiruvaimozhi. During the 18th and 19th centuries, the temple finds mention in several works like 108 Tirupathi Anthathi by Divya Kavi Pillai Perumal Aiyangar.
The temple also forms a series of Navagraha temples where each of the nine planetary deities is associated with one of the Navathiruppathi temples. The temple is associated with Ketu, a snake planet. Along with the Aravindalochanar temple located 100 yards away, the temple is referred as Irattai Thirupathy (meaning twin Tirupathis).