Of the identified 429 signs, "a man with jar cup", a symbol unique to the Indus civilisation and other compound letters testified to remnants of the Harappan culture, spanning from 2300 BC to 1700 BC, in South India, Varier, who led the excavation at the caves said. The "man-with-the-jar" symbol, an integral remnant commonly traced in parts where the Indus Valley civilisation existed, has even more similarities than those traced in Karnataka and Tamil Nadu, he said. The 'man-with-the-jar' has been a distinct motif of the Indus valley symbols. The Edakkal engraving has retained its unique style as the engraver...