Q. Which Delhi Sultan assumed title Amir al-Mu'minin? Answer:
Iltutmish
Notes: In 1229, Iltutmish got recognition as the Muslim sultan of India by the Caliph of Baghdad. Hereafter, he assumed the title of Amir al-Mu'minin
or commander of the faithful and had the name of Caliph inscribed on his coins.