Diwan-i-khas or Hall of Private Audience is situated in the northeast corner of the royal complex with a huge and richly carved pillar in the center. The central platform attached to the pillar was the seat of the emperor while the diagonal galleries are believed to be the seat of ministers and nobles that were entertained here. However, since the galleries were too narrow to accommodate all ministers of the court at once, some people think that this building was actually the storehouse for the gems and jewels of the royalty and emperor used to come here only to inspect his jewels. According to Abul Fazl, Akbar had three treasuries that were close to each other and one of them was used to store gems and jewels only.
Since, this building is also close to Ankh Michauli or the treasury for
gold and silver, it is quite probable that this place is used as a
treasury for jewels. This square red sand stone building has four
double-storeyed façades. Though, there is no superstructure or
dome here, the four beautiful kiosks at each corner of the building that
are octagonal in shape and have a circular dome with an inverted lotus
on the top, providing a superlative altitude to the building. The main
hall has a most elegant capital composed by joining 36 brackets arising
from the pillar in three tiers, in a circular shape. Though, the
building lacks much ornamentation yet the pillar in the center is
certainly one of the masterpieces of Mughal architecture.
Diwan-i-Khas or hall of private audience was an important part of the royal complex at Fatehpur Sikri.