India Technology and History – A perspective
Why was the knowledge was lost? Indian subcontinent has had a civilization for thousands of years and when we look at the remains of Indus Valley civilization there seems to be existence metropolis and intercontinental trade. There were cities like Mohenjo Daro, Harappa, Lothal that had drainage systems which can rival any of the current cities of India. Today a day of rain can flood any modern city in India whereas Indus Valley civilization used floods for their benefit. Why…