In a significant archaeological development, carbon dating of excavations from the banks of River Tamiraparani in Tamil Nadu have been proven to be 3200 years old. This would make x Porunai civilisation the oldest in south India and bring Tamil civilisation closer to the Indus Valley civilisation. Chief Minister M K Stalin who announced this in the assembly has called for rewriting of the history of the sub continent's civilisation from the landscape of Tamil Nadu.
