God Sree vishnumaya
The people of Kerala believe that this temple was, in the olden days, a small shrine and it was Kellunni Panicker who installed the murthi of Vishnumaya close to one of his kalari. The pujas are conducted, it is said, under direct instructions from the god himself.
Near to temple there is a mango tree and small rock shire is there called "Valliyachan kottil" believed to be the main source of the powers of this deity. The priests are panickers and Thiyyar families who have a right to perform 'Pushpanjalis' to the God.
Avanangattilkalari Sree Vishnumaya temple is allowed all other religious members to attend temple. His temple is very much related to Sabarimala Ayyappa Temple, sastha and chathan is commonly mixed each times. Other than Sabarimala, temple allows all religious women also.
The temple reconstructed in the time of Sakthan Thampuran who provided financial support also. Sakthan Thampuran provide one donation champers inside Thriprayar Temple still there in red color. As the old believe in the time of Arattupuzha Pooram festival, Deity travel to Avanangattilkalari Sree Vishumaya temple and meet Sree Vishnumaya, it is called "Pooram Purapad".
Currently Avanangattilkalari temple is administered by temple trust and not taking any aid from Thriprayar temple. The temple was constructed by Kellunni Panicker. The first Shaktheya Pooja in Avanangattilkalari temple was performed by Panicker families still follows.
In ancient times, animal sacrifices were offered at the temple, mostly in the forms of birds, by devotees seeking protection and the fulfillment of their prayers. At present, only red-dyed silks are offered to the deity.