Talaichankadu village is situated in Nagapattinum District. It was one of the part of Poompuhar region in ancient days. The Department of Archaeology conducted excavation in 2010 at this place to know the ancient culture of that area.

The excavated trenches were carried out in the premises of Government Middle School of the village.

It revealed three cultural phases right from iron age to medieval period. Hopscotches, terracotta lamps, bricks, spouted vessel, roofing tiles, decorated potshards and ring well are the important findings of the excavation.