Lord Narasimha Swamy appears in yoga posture wearing Chalakkrama at Big Hill Temple. A bar depicting Ten Avatars of Perumal is seen. Sun and Moon are at the feet of Lord Narasimha. Once Lord appeared before Saptharishis and blessed them (7 Saints) within a period of one Kadiga (ie. 24 minutes).
Lord Narasimha offered Disscus and conch to Lord Anjeneya to destroy Asurars. In front of the Lord are Nammalvar and Ramanujar with Senaimudalvar. Next to them are Saptharishis (7 saints) and Garuda.
In the Sanctum sanctorum Yoga Narasimhar appears in the form of a statue. On a wodden platform the idols of Lakshmi Narasimhar, Aathisedan, Chakrathalvar, Kannan and Garudalvar are kept.
There was a separate temple for Amirthavalli Thayar on the Big Hill Previously. Now the Thayar Shrine has been consider nearer to the Santum Sanctorum of Perumal. Procession Deity of Thayar is also kept there. Thayar gives darsan facing east.