Nagaraja temple is a Hindu temple located in the heart of the Nagercoil city. This temple is dedicated to Lord Nagaraja. This temple consists full of images of snakes. The entrance gateway of the temple, Mahamerumaligai resembles the Chinese architecture of Budha viharas.
The other shrines of the temple are that of Lord Shiva and Anantha Krishna. These shrines are located in the Ardhamandapam of the temple. On this Ardhamandapam pillars you can see the carvings of Jain Thirthankaras, Parsavanth and Mahavira. The lovely architecture of the main gate reminds the Chinese architecture.
Originally this temple was a Dravidian Jain Temple, which was taken over by Hindus and rechristened as new mythological god by name Nagaraja. The important feature of this temple is the sanctum, which is surrounded by the mud walls and a thatched roof with coconut leaves and bamboo sticks over it. The place where the shrine of the five headed serpent (Nagaraja) is enshrined is constantly marshy. Nagercoil city name is derived from this temple.
Ayilya pooja is the famous pooja which is conducted for12 days every year in this temple.
Naga dosha in jathaka, Nagashapa (curse of sanke), problems due to avoidance of Nagathara and Sarppakakvu , Marriage obstacles, Child Problems, etc can be cured by witnessing the Ayilya pooja. Rahu dosha, Kethuu Dosha, Kalasarppayoga, etc can be eliminated by doing poojas and rituals at this temple. The Parihara Karma can be done even on Sundays, as the temple has the presence of Lord Shiva and Vishnu.
Wet sand scooped out through the floor exactly where the image from the Nagaraja deity is enshrined is submitted as prasadam to the devotees. The Nagalinga flower found here is also emblematic associated with Nagaraja.