Just outside Bhubaneswar, around 2,000 years ago, stood one of old India's biggest cities. When they chanced upon Sisupalgarh, excavators could only gape in astonishment at its modern ways. Sisupalgarh sounds like a happening settlement by historic standards: a sprawling urban settlement that housed 20,000-25,000 people, street-linking gateways, pillared meeting halls, water storage systems and disposable vessels for daily use. In one of the richest hauls for archaeologists in the country in recent times, a 12-member Indo-American expert team discovered the remains of a city from the early historic period in the outskirts of Bhubaneswar two years ago. ...Explaining the...