<P> Qutab - Ud - Din - Aibak , founder of the Delhi Sultanate , started construction of the Qutub Minar 's first storey around 1192 . In 1220 , Aibak 's successor and son - in - law Shamsuddin Iltutmish completed a further three storeys . In 1369 , a lightning strike destroyed the top storey . Firoz Shah Tughlaq replaced the damaged storey , and added one more . Sher Shah Suri also added an entrance to this tower while he was ruling and Humayun was in exile . </P>
<P> Qutab - Ud - Din - Aibak , founder of the Delhi Sultanate , started construction of the Qutub Minar 's first storey around 1192 . In 1220 , Aibak 's successor and son - in - law Shamsuddin Iltutmish completed a further three storeys . In 1369 , a lightning strike destroyed the top storey . Firoz Shah Tughlaq replaced the damaged storey , and added one more . Sher Shah Suri also added an entrance to this tower while he was ruling and Humayun was in exile . </P>
who started the construction of qutab minar at delhi
who started the construction of qutab minar at delhi
Qutab - Ud - Din - Aibak , founder of the Delhi Sultanate
Qutab - Ud - Din - Aibak , founder of the Delhi Sultanate