Firishta's History (Gulshan-i Ibrāhīmī) 79.4.8

79.4.8

In the year 904, Yoosoof Adil Khan led an army against Dustoor Deenar, who fled from Koolburga. He was pursued suaded, however, by Kasim Bereed to seek protection with Mullik Ahmud Nizam-ool-Moolk at Ahmudnuggur. That chief having espoused his cause warmly, Yoosoof Adil Khan was unable to oppose him, and went to Ahmudabad Bidur, where the King wrote to Mullik Ahmud to desist from interference. In the year 910, Kasim Bereed died, and his son Ameer Bereed succeeded him in office, and assuming greater authority even than his father, deprived Mahmood Shah of the little power left him. Immediately after this event, Yoosoof Adil Khan, availing himself of the circumstance of Kasim Bereed's death, made an attack on Dustoor Deenar, who opposed him in battle, but was slain, and all his districts fell into the possession of Yoosoof Adil Khan. Shortly after, assuming the title of Shah, Yoosoof caused the Khootba to be read in Beejapoor conformably to the tenets of the Sheea persuasion, which never having been done before in any part of Hindoostan, the minds of all the Deccanies revolted against him. Mahmood Shah was now induced by Ameer Bereed to address letters to Kootb-ool-Moolk, to Imad-ool-Moolk, and to Khodawund Khan, stating that Yoosoof Adil Khan having thrown off his allegiance, had not only exalted the ensigns of rebellion, but had introduced the tenets of heretics in the countries of Islam;