Get latest articles and stories on India at LatestLY. The recent evidences from the archaeological site at Pattanam, on the South-Western coast in Kerala's Ernakulam district, and their ancient DNA analyses strengthen the belief of historians that Pattanam played an "instrumental role" in trade and cultural exchanges between India and the Middle East and others, scientists said on Friday. India News | Ancient DNA Research Confirms West Eurasian Genetic Imprints in Pattanam.