Analysis of information sources in references of the Wikipedia article "顧特卜沙希王朝" in Chinese language version.
Ibrahim Qutb Shah encouraged the growth of Telugu and his successor Muhammad Quli Qutb Shah patronized and himself wrote poetry in Telugu and in Dakhni. Abdullah Qutb Shah instituted a special office to prepare the royal edicts in Telugu (dabiri-ye faramin-i Hindavi). While administrative and revenue papers at local levels in the Qutb Shahi Sultanate were prepared largely in Telugu, the royal edicts were often bilingual.'06 The last Qutb Shahi Sultan, Abul Hasan Tana Shah, sometimes issued his orders only in Telugu, with a Persian summary given on the back of the farmans.
Ibrahim Qutb Shah encouraged the growth of Telugu and his successor Muhammad Quli Qutb Shah patronized and himself wrote poetry in Telugu and in Dakhni. Abdullah Qutb Shah instituted a special office to prepare the royal edicts in Telugu (dabiri-ye faramin-i Hindavi). While administrative and revenue papers at local levels in the Qutb Shahi Sultanate were prepared largely in Telugu, the royal edicts were often bilingual.'06 The last Qutb Shahi Sultan, Abul Hasan Tana Shah, sometimes issued his orders only in Telugu, with a Persian summary given on the back of the farmans.