qutub minar is very famous and old monument in delhi which was made in 1192 on the victory of the Mughals. There is a very big meaning behind qutub which is pole of justice that is the symbol of Islamic justice. This minar was built by three kingdom in which first was qutub din tuglaq. who built only first storey and next three storey was built by shams-ud-din-Ilutmish and fifith storey building was built by Feroz shah Tughlaq or Each storey has a balcony. This qutub minar delhi is the unique style in Indian history. media india
https://mediaindia.eu/eyetalk/qutub-minar-delhi/