Photograph © Medha Malik Kudaisya -- may be used without prior permission for any educational or scholarly purpose.
Constructed by Alaudin Khalji. Supposed to have been the main entrance to the Qutub Complex.
Asher, Catharine B. Architecture of Mughal India. Delhi, 1999.
Dehejia, Vidya. Indian Art. London, 1997.
Intach. Delhi: The Built Heritage. Vol I and II. New Cambridge, 1992.
Spear, T.G.P. (updated and annotated by Narayani Gupta and Laura Sykes). Delhi, Its Monuments And History. New Delhi, 1994.