Diwan-i-Khas – Fort Delhi “The Diwan-i-Khass (‘Hall of Private Audience’) is a highly-ornamented pillared hall, with a flat ceiling supported on engrailed arches. The lower portion of its piers is ornamented with floral pietra dura panels, while the upper portion was originally gilded and painted. Its marble dias is said to have supported the famous Peacock Throne, carried away by the Persian invader Nadir Shah.”