Delhi does not erase its pasts it buries them. Beneath the 16th-century walls of Purana Qila lies a stratigraphic record that archaeologists have spent seventy years trying to read. Iron Age pottery. Mauryan ring wells. Mughal gateways. And one question that remains unanswered: was this ground once Indraprastha, the legendary capital of the Pandavas? Here is everything the excavations have found and everything they still haven't.
