Some historians say India developed the ancient world's most sophisticated urban civilizations, the Harappa & Mohenjodaro civilizations in the Indus Valley (4000 BCE). Inspired by Tantra yoga, this Dravidian civilization was invaded & destroyed by Vedic Aryan invaders 1500 BCE. Yet, some revisionists now claim no evidence of Aryan invasion exists. "In Search of the Cradle of Human Civilization', Feuerstein, Frawley & Kak say the Indus Valley civilization was Vedic not Tantric.
Sculpture of King Priest, Moenjodaro, Sindh, Pakistan. Archaeological site, Indus Valley Civilization
Indus Valley Ancient Civilization (3300–1300 BC; mature period 2600–1900 BC) This is the Harappa site. Adam and Eve’s twin sons Ganeri and Harapp descendants settled this area of Indus Valley.
Ancient Indus Gateway Drawing. Mound E Gateway Artists Conception by Chris Sloan, courtesy of JM Kenoyer