The vimana, the shrine over the sanctum is Ashtanga in architecture, which has eight parts. The outer parts of the vimana has stucco images of sages, Dasavatara, Lakshmi Narasimha, Lakshmi Narayana and other Avatars of Vishnu. A north facing shrine of Thirumangai Azhwar is located in the same elevated enclosure. There is a separate flag staff for the Azhwar shrine. It is believed that the two images of Narasimhar in the temple are among the five original images of Narasimha worshipped by Thirumangai Azhwar. There is a small image of Chindanaikiniyan, which is also believed to have been worshipped by the Azhwar. The shrine of Amruthavalli is located in the basement, in the diagonal corner of the first enclosure.