The Fifth and last Storey of Qutub Minar was built by
Qutub-ud din Aibak, the first Muslim ruler of Delhi, commenced the construction of the Qutub Minar in 1200 AD, but could only finish the basement. His successor, Iltutmish, added three more storeys, and in 1368, Firoz Shah Tuglaq constructed the fifth and the last storey.
