In whose reign did the Sultanate reach its farthest extent?
The Sultanate reached its farthest extent during the reign of Muhammad Tughluq.
CH 3 THE DELHI SULTANS
What was the language of administration under the Delhi Sultans?
It was Persian.
Which ruler first established his or her capital at Delhi?
The Tomara Rajputs were the first rulers who established their capital at Delhi.