A History of Agriculture in India v2.c59.s13.1

v2.c59.s13.1

Reference has already been made to the development of Hindustani music, and the contribution made by Amir Khusrau; political unity in Northern India, fostered by the Delhi Sultanate, also stimulated the process of evolution of a common langauge. The language of Delhi at that time was *Khari Boli* mixed with Hariyanvi. Amir Khusrau called it *Zaban-i-Dehlavi*, or the speech of Delhi. Khusrau is reckoned as a writer of Urdu. The army of the Sultans consisted of Turks and Indian converts to Islam, who spoke either Persian or Punjabi. A number of Punjabi and Persian words