Entrance to the fort is through the Amar Singh Pol, actually three separate gates placed close together and at right angles to each other to disorientate any potential attackers and to deprive them of the space in which to use battering weapons against the fortifications. From here a ramp climbs gently uphill flanked by high walls (another defensive measure), through a second gate to the spacious courtyard, with tree-studded lawns, which surrounds the graceful Diwan-i-Am (“Hall of Public Audience”). Open on three sides, the pillared hall, which replaced an earlier wooden structure, was commissioned by Shah Jahan in 1628. The elegance of the setting would have been enhanced by the addition of brocade, carpets and satin canopies for audiences with the emperor.

The ornate throne alcove – built to house a gem-encrusted Peacock Throne, which was eventually moved to Delhi, only to be looted from there by Nadir Shah and finishing up in Tehran – is inlaid in marble decorated with flowers and foliage in bas-relief, and connects to the royal chambers within. In front of the alcove, the Baithak, a small marble table, is where ministers would have sat to deliver petitions and receive commands. This is also where trials would have been conducted, and justice speedily implemented.

The area to the north of the Diwan-i-Am courtyard is, sadly, closed to visitors, though you can make out the delicate white marble domes and chhatris of the striking, if rather clumsily proportioned, Moti Masjid (“Pearl Mosque”) rising beyond the courtyard walls, best seen from the Diwan-i-Am itself. Directly in front of the Diwan-i-Am an incongruously Gothic Christian tomb marks the grave of John Russell Colvin, lieutenant governor of the Northwestern Provinces, who died here during the 1857 uprising, when Agra’s British population barricaded themselves inside the fort.

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