Solution:The official language of the Delhi Sultans was Persian. Beginning in the first decade of the thirteenth century, the Delhi Sultanate established control over a sizable portion of Delhi. The priceless histories, Tarikh or Twarikh, were written in Persian, the official language of the Delhi Sultans. Tawarikh was written by erudite individuals who were also poets and administrators. The ascent of Turkish kings to the throne, which also caused the Persian language to expand throughout India, is when the Delhi sultanate literature first appeared. It quickly established itself as the standard literary tongue. Sanskrit and other local languages were also spoken, nevertheless. Persian replaced Arabic as the official court language in the Delhi Sultanate after the Turkish conquest.