Chennai, Jan. 30 -- Archaeologists have found a 13-cm-long iron knife broken in three parts in the ongoing excavation site in Marungur in present day Cuddalore district days after chief minister MK Stalin announced with scientific proof that the Iron Age began from Tamil Nadu, minister Thangam Thennarasu said.

"While iron arrowheads and nails were recovered previous excavations, the recent discovery of a knife indicates that inhabitants of ancient civilisations mastered the art of iron," Thennarasu (minister of finance who holds additional charge of archaeology) said in a post on X. The knife weighed 23 grams. It was found on Tuesday.

On January 23, Stalin announced that carbon dating of artefacts unearthed from recent archaeological ex...