Ancient Indus questions answered by Dr. Shereen Ratnagar, was Professor of Archaeology at Jawaharlal Nehru University in New Delhi, India and is now an independent scholar noted for her work on investigating the apparent decline of Indus Civilization. She is author of Trading Encounters and End of the Great Harappan Tradition. She has numerous articles on this website.
Science Versus Social Science - did the Rains do the Harappans in?
47:00
Professor Ratnagar critiques environmental theories as the sole explanation for the End of the Harappan Tradition, and suggests political collapse of the state is a crucial consideration.