Visiting Qutub Minar ,Delhi ,India The Qutub Minar has five storeys. The first floor was constructed by Qutubuddin Aibak. And rest of the floors have been constructed by Iltutmish.Qutub Minar is one of the highest minarets in India with a height of 73 metres. It is a UNESCO World Heritage Site and the tallest brick minaret in the world. This 12th-century minaret is considered as the earliest Islamic structure in India with both Arabic and Brahmi inscriptions.