Perumal's Names in the Temple
- Sri Adhi Keshava Perumal with Sri And Bhoo Devi , East facing (standing position)
- Thayar's Name/s Yathirajanatha Valli Thayar (in sitting position)
- Uniqueness of Place - Avathara Sthalam of Bhagavath Ramanuja
Swami Ramanujar Avathara Sthalam -
In year CE 1017 On a Thursday, in the Tamil Month of Chitrai, Sukla Paksha panchami, in the constellation of Aridra (Thiruvadurai) Asuri Keshavachar and Kandhimathi were blessed with the Child and was named as Ramanuja. He was later given the title of Bhashyakar , Emperumanar , Elayai Alwan, Yathirajar, Udayavar etc.
There is a mandap in front of the temple where Sri Ramanuja was born. During the 10 day Chithirai festival during April-May, Acharya graces from this mandap. On His birth star day, he is placed in a cradle as a child and fed with milk in a conch. During this festival, the Parivattam -- a turban linen -- is brought from 36 Vaishnava shrines-Divya Desas -- as a courtesy to the Acharya.
He toured the length and breadth of Bhartha Desha to preach the Vishistadwaita. Then Just few days before leaving the mortal coil and going to Vaikunta, His Disciple Mudhaliandan's Son Kanthadai Annan got a Archa Vigraham of Ramanuja and presented before him, then Swami hugged the Moorthy and transferred all his power to it, then Udayavar instructed to the Prathistai of this Vigraham on Tamil Month Thai on Constellation of Pushya Star at Sriperumpudur, This Vigraham is what we see in Sriperumpudur and it is known as Than Uganda Thirumeni. Ramanujar's Vigraha, Divine archa-vigraha made of 5 metals including gold, silver, bronze, copper and iron.
The Specialty of this Temple and Vigraham is Eravadai Theertham . Here they do Thirumanjanam to Lord Ramanuja daily then after the Thirumanjanam the cloth which Lord is wearing is squeezed and and collected in Vatil and given as Prasadam to Bhakathas, it it said it capable of curing Skin diseases, Beget progeny for Issueless couples , and also cures many other ailments like cancer etc. If you take bath in Ananthah Sarasu you will get rid of Rahu Kethu Dosham , Also you can light Ghee lamp. Every Thiruvadurai Star people come in large number and witness the Milk Thirumanjanam get the blessings of Udayavar.
The temple doesnt have a swarga vasal since is is believed that praying to Swami Ramanuja is the way to vaikuntam.