A new kingdom at Gulbarga, assumed a new name Alla-ud- din Hasan Bahamani Shah in 1347 A.D. His son Mohammad Shah built the famous and large Masjid (mosque) at Gulbarga in 1367 AD. Of the later rulers Ferozshah (1397- 1422 AD.) was the greatest. He built a new capital Ferozabab. This scholarly prince also built on observatory.
The sultans constructed buildings in the indo- Sara scenic style. Their earlier notable monument was the large mosque built by Mohammad shah I at Gulbarga Karnataka. The broad assembly hall here covered with numerous small domes is quite attractive; architects were invited from Persia, Turkey and Arabia countries.
The palaces at Bidar are elaborately embellished, some with wooden carvings. The Sola Khamb Mosque at Bidar, the palaces at the Bidar fort and the tombs of the sultans at Ashtur near Bidar are famous Buildings. The tomb of Ahmed Shah at Ashtur has beautiful paintings.
Gawan, who was a scholar, started a Madrasa (collage) at Bidar to encourage the learning of Islamic religion and law.
This collage was housed in a vast magnificent building at Bidar, 242 feet in length, 222 feet in breadth and 56 feet in height. It was three storied. It had a library with 3000 manuscripts. It was a residential institution for students, teachers and religious men. Astronomy, Grammar, Mathematics, Philosophy, History and Political science were other subject taught here.