Firishta's History (Gulshan-i Ibrāhīmī) 66.2.2

66.2.2

Zuffur Khan having left Mullik Seif-ood-Deen Ghoory to reduce the forts of Bidur and Kand'har proceeded to Dowlutabad; at which place he was met by Nasir-ood-Deen Ismael, who, on observing that greater attention was paid by the officers and the army to the general than to him, and perceiving, also, that they wished to have him for their king, prudently resolved to retire to a more humble station. Calling a meeting, therefore, of the principal officers present, Nasir-ood-Deen Ismael declared, that on account of his age he was unfit to rule in such times, and requested they would elect a new king, observing, that for his part he should recommend Zuffur Khan as most worthy of the throne. The assembly unanimously consented to the proposal; and the astrologers being directed to select a fortunate moment for his inauguration, on Friday, the 24th of Rubbee-ool-Akhur, 748, the crown was placed on the head of Zuffur Khan, and a black canopy, the colour assumed by the Abasside caliphs, was elevated over his throne. The Khootba was read, and coins struck, in his name, impressed with his title of Alla-ood-Deen Hussun. From that period, also, Koolburga, which now became the royal residence, was named Ahsunabad, and became the capital of the first Mahomedan king of the Deccan. Alla-ood-Deen Hussun, having assumed charge of his government, neglected none of its duties, and his dominions daily extended;