The Qutub Minar was constructed with red sandstone and marble, and is the tallest minaret in India, with a height of 72.5 meters (237.8 ft). The Construction was commenced by Qutb-ud-din Aibak in 1192 and completed by Iltutmish. In all, fanatic ruler Qutb-ud-din Aibak destroyed 27 hindu and jain temples and reused the building materials for construction of Quwwat-ul-Islam mosque and the Qutub Minar according to a Persian inscription still on the inner eastern gateway. The Qutub Minar is notable for being one of the earliest and most prominent examples of Indo-Islamic architecture. It is surrounded by several other ancient and medieval structures and ruins, collectively known as Qutub complex.
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