Sultan Ghari
Mahmud's fortified tomb built by Iltutmish, known as Sultan Ghari, lies in the Vasant Kunj area, close to Mehrauli, in New Delhi. Built in 1231 AD, it was the first Islamic Mausoleum built in India. The octagonal tomb chamber, is one of finest examples of Mamluk dynasty architecture, which also include the Qutub Minar.
Read more about this topic: Nasir Ud Din Mahmud