This polity briefly moved its capital to Daulatabad, and its final period of expansion occurred under Sultan Sikandar Lodi, one of whose descendants lost the First Battle of Panipat.
One ruler of this polity was the former slave Malik Kafur, who attempted to convert this polity to his own religion and was swiftly overthrown. Another ruler of this polity employed the poet (*) Amir Khusrau, and yet another ruler, Iltumish, appointed his daughter Raziya as his heir. This polity's ruling dynasties included the Burji and Khilji, and rulers of this polity including Balban were former slave soldiers known as  ghulams. This polity briefly moved its capital to Daulatabad, and its final period of expansion occurred under Sultan Sikandar Lodi, one of whose descendants lost the First Battle of Panipat. For ten points, name this polity named for a North Indian city.
One ruler of this polity was the former slave Malik Kafur, who attempted to convert this polity to his own religion and was swiftly overthrown.
Delhi  Sultanate