Ala-Ud-Din Hasan bahman Shah also known as Hasan Gangu was the founder of Bahmani Sultanate. He reigned over Sultanate from 1347 to 1358. The capital of Bahmani dynasty was Gulbarga (Hasanbad). Hasan Gangu began his career as a general serving under the Sultan Mohammed Bin Tuglaq. He was made a governor in Daultabad. After establishing his kingdom, he handed over his kingdom to his eldest son. During his reign Hasan fought many wars with Vijaynagara. He was succeeded by his son Mohammed Shah I after his death in 1358.