The Hyderabad in Telangana, the tunnel connecting the Charminar and Golconda fort is believed to have hidden treasures--kept there by Nizams, with emergency exits-- at several places. The tunnel, which is believed to have been constr­ucted by Sultan Moham­med Quli Qutub Shah, the city’s founder 500 years ago, provided a safe pass­age to the royal family from Golconda fort to Char­minar, in case of emergencies.
 
The tunnel which still exists between the two historical structures is believed to have treasures at various places.To locate the tunnel, the excavation work was started from a place near Nawab Saif Nawaz Jung’ Deorhi ( palace) and after digging about 10 feet, huge granite slabs were found.