The five Vrikshams are Arasu (Surya), Vembu neem (Ambhikai), Kariveppilai Curry leaves tree ( Mahesha), Madhulai (Ganesha) & Mavilangu (Vishnu).
A devotee named Mallan at Nanjaipara found the main deity Idol of the temple in the Mallam River.
[1][2] Both the Mulavar and the Utsavar are identical, the idol is a small Vigraham, with the young baby faced Muruga, with four hands Vajram, Shaktivaram & Abhayam with a Peacock on the left and the lord sits on a lotus Padmapeetam.
According to legend, on the steps leading to the Hanumannathi River Sri Balamuruga takes payasam along with other children.
Special pujas are conducted in the temple during Chithirai Vishu, Vaigasi Vishakam & Masi Makam.