Evidence of the attempt to chisel the cave temple on an elongated granite outcrop at Pallapuram in Lalgudi, 28 km from here, was found recently during an ongoing study of rock temples by Director (Monuments) of the Archaeological Survey of India D Dayalan.
The plan for constructing the temple could have been made in seventh or eighth century, when similar cave temples had been made at Rock Fort here, Tiruvellarai (Sri Pundarikaksha Perumal Temple) and Tiruppanjili (Shiva temple) on the city outskirts, Dayalan said.
Dayalan said he was making a study of the rock temples, pioneered by one K R Srinivasan in the district, when he found the unfinished cave temple.
Attempt had been made to cut three bays by leaving rock mass for two pillars in between and two pilasters, one at either extreme.
Each bay was about 1.32 metres wide and the rock mass left for carving the pillars was about a metre. Had it been completed, it would have made a fine temple like the one at Tiurvallarai, Dayalan said.