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The height of minar is 72.5 m.The minaret is 234 feet high and the highest individual tower in the world.Qutab Minar is a great masterpiece of Mughal architecture.the minar was started by Prithviraj or his uncle Vigraharaja who won Delhi from the Tomar Rajputs. However, it is assumed and historians believe that Qutubuddib and Iltutmish finished it though the minar may have been commenced by Prithviraj or Vigraharaja. ome believe that it was built as a tower of victory to symbolise the beginning of Muslim era in India, other say it served as a minaret to the adjacent mosque and was used by the muezzins to call the faithful to prayer. but people say it was built in 1193 AD by Qutub-ud-din-Aibak, the first Muslim ruler of Delhi.but he could not build it totally by completed the base.His successor, Iltutmish, added three more storeys, and in 1368, Firoz Shah Tuglak built the fifth and the last storey.it has 379 steps.