A kilometre to the northwest of Hyderabad’s iconic Golconda Fort, which once held the Kohinoor and Hope diamonds, is a vast necropolis few tourists to the fort have heard of. A blue arch over a gateway proclaims “Qutb Shahi Tombs”. When Yoshowant Purohit arrived four years ago, there was no sign to tell visitors that the entire dynasty of Hyderabad’s founding kings rested in the 108-acre complex. Purohit, a conservation architect, came from Delhi as part of an ambitious project