Qutub Minar was constructed in 1192 by Qutab-ud-din Aibak, the founder of Slave Dynasty and later completed by his son-in-law and successor Iltutmish. The soaring tower of Qutab Minar of Delhi is made out of brick tile and sandstones. Qutub Minar is an exquisite example of Indo-Islamic Afghan architecture.
Today, Qutub Minar is an eminent member of the World Heritage Site community and survived the ravages of time impressively. Qutub Minar of Delhi is surrounded by a lush green manicured garden, which is a much favored leisure pad for Delhi locals. You can see tourists and locals loitering around the whole winter afternoons here and there inside the tower.
Qutub Minar at Delhi is a 5 storied tower. Each tower of the famous Qutub Minar has unique designs. It was hit by lightening twice. Due to this hazard, there was major damage in the structure. But during the reign of Muhammad-bin-Tughlaq, the king repaired the ensuing damage. Again during the reign of emperor Feroze Shah Tughlaq, when the top most storey of the Qutub Minar was destroyed, the king repaired the floor and elevated the Qutub Minar to another level.
Thus we see an interesting mix in architectural styles if we minutely study the structure. The base of the Qutub Minar at Delhi measures 14.32 meters and the top of the structure measures 2.75 meters. The first 3 stories of the Qutub Minar has different designs. While the base has alternate angular and circular flutings, the second one are round. The third storey of the Qutub Minar has only angular flutings. The balconies projecting out of the Delhi Qutub Minar heightens the beauty of the Minar.


