Solah Khamba Masjid is the oldest Muslim building in
Bidar and one of the largest of its kind in India. It was built in 1423 by Alauddin Ahmed ill who was the viceroyalty of the province of Bidar.
This sixteen column masjid has a massive prayer hall. The square on the facade and circular inside divide its expanse into 19 equal compartments comprising in all 95 bays. It is lit by a series of clerestory windows, and its tracery work resembling painted glass panes of Gothic cathedrals add beauty to the interior.