❖ The Graffiti marks “resembling geometric symbols” were among the potsherds discovered during the archaeological excavations at Perumbalai in Dharmapuri district.

❖ The lower-most level as site is dated back to the 6th Century BCE.

❖ By the shapes and size of the pottery, it belongs to the Iron Age.

❖ Perumbalai is located on the bank of the Nagavathi (ancient Palar), one of the tributaries of Cauvery River.

❖ Kongumandala Satakam, a 13th Century literary work by Karmegakavirayar of Vijayamangalam, is referred to Perumbalai as the northern boundary of the Kongu region.