Iron implements, mostly blades and axe heads, carnelian beads, offering pots and a stone nut-cracker were unearthed from the excavation site at Kilnamandi.
This indicates the existence of human settlements dating back to the later phase of the Iron Age at the excavation site.
The team also unearthed 12 rectangular sarcophagi at the site.
A large number of black and red wares and red slipped wares were also found, dating the site to the Iron Age.
Kilnamandi is located around 20 km from Vandavasi town in Tiruvannamalai.