A Tamil Nadu archaeology department study found over 90% of ancient graffiti marks at 140 sites, including Keeladi, resemble Indus Valley civilisation symbols. Researchers analyzed 15,184 graffiti signs, noting links between Indus and south Indian signs. The study suggests cultural exchanges during the Copper and Iron Ages. Key symbols included arrows, fish signs, and swastikas.
Graffiti in ancient Tamil Nadu sites similar to Indus Valley civilisation signs: Study
