Correct Answer:
Option D - The construction of Qutub Minar was started by Qutub-ud-din Aibak in 1193 in the memory of Qutub-ud-din Bakhtiyar Kaki. Iltutmish added 3 more storeys in it, Firoz Shah Tughlaq constructed the 5th and the last storey.
D. The construction of Qutub Minar was started by Qutub-ud-din Aibak in 1193 in the memory of Qutub-ud-din Bakhtiyar Kaki. Iltutmish added 3 more storeys in it, Firoz Shah Tughlaq constructed the 5th and the last storey.