This inscription is found on the pillar of the sluice of the tank called Periyakaṇmāi located in the Oliyamangalam village. This sluice inscription refers to the erection of the sluice by Gaṅgar Chōḻakula Nārāyaṇa Mūvēnta Vēḷāṉ during the 4th regnal of Rājēndra Chōḻa-III corresponding to 1250 CE...
