  The reign of the Deccan Sultanates lasted until the late 17th century, when Aurangzeb brought the region into the Mughal Empire and established Aurangabad as the Deccan's capital.
<meaning-changed>   The reign of the Deccan Sultanates lasted until the late 17th century, when Aurangzeb brought the region into the Mughal Empire and established Aurangabad as the Deccan's capital.
 For example, Alam writes that Telugu was the language of the sultan for the Qutub Shahis, and that Persian was removed from the Bijapur Sultanate's administrative system by Ibrahim Adil Shah I in favour of Marathi; these are corroborated by Eaton. The reign of the Deccan Sultanates lasted until the late 17th century, when Aurangzeb brought the region into the Mughal Empire and established Aurangabad as the Deccan's capital.