Multiple choice Who was the sultan when the Mangols did not invade? Iltutmish Balban Alauddin Khalji Ghayasuddin Tughlaq Reveal answer Fill a bubble to check yourself D Correct answer Explanation Ghayasuddin Tughlaq reigned from 1320 to 1325. During his short reign, there were no major Mongol invasions of the Delhi Sultanate, unlike the reigns of Iltutmish, Balban, or Alauddin Khalji, who all faced significant Mongol threats.