Sultan Ghiyas-ud-din Tughlaq was the founder of the Tughlaq dynasty in India, ruling from 1320 to 1325. He is known for his efforts to consolidate power and expand the Delhi Sultanate. His reign marked a significant period in Indian history, characterized by military campaigns and administrative reforms. Ghiyas-ud-din Tughlaq is also recognized for his architectural contributions, including the construction of the Tughlaqabad Fort in Delhi. His rule, although short-lived, laid the groundwork for future rulers of the Tughlaq dynasty and influenced the political landscape of medieval India.