The sanctum is concaved and is 8.94mts in the east-west direction. The curvature starts at 1.90mts inside from the facade where Vishnu is reclining on Aadhisesha adjoining the back wall11 and the concaved wall is adorned with bas-relief figures portraying the Puranic theme.[12] The reclining Vishnu and Aadhisesha covers the mid portion of the sanctum.[13] The panel can be broadly divided into two; the figures in the upper stratum and the figures in the lower stratum. The figures of lower stratum can be divided into three parts viz., Aadhisesha with reclining Vishnu occupying the mid region, the figures to their west and the figures to their east. The panel in the upper echelon can be divided into three parts the figures on the western wall, eastern wall and the northern wall. In the northern wall Brahma occupies the mid region and it can be further divided as, to the east of Brahma and to the west of Brahma. The Thirumeyyam Pallikondaperumal can be classified as uttama class of depiction.[14]
Sculptures in the Lower Stratum
Aadhisesha and the Reclining Vishnu [15]