The talk furthers an understanding of the lost Sarasvati River. It gives deeper insights into an ancient civilization that flourished on the Sarasvati and Indus river valleys circa 3000 BC. It reveals and enumerates the various aspects of the lost Civilization of the Sarasvati-Sindhu valley, its importance as a trading and cultural center, and the wealth it brought to Ancient India. It delineates the evolution, unity, and scope of the ancient Indian languages and lists the symbols of the Indus valley civilization, discusses the Tin-bronze revolution of the 4th millennium BCE, the ancient maritime Tin route from Hanoi to Hanifa, two millennia before the silk route came into being.