31 5/16 x 25 1/2 in. (79.6 x 64.8 cm)
Nizamuddin, the area where this monument is, was then outside of the main city of Delhi. The structure is very close to the Hazrat Nizamuddin Auliyaa Dargah in Delhi. It also right next to the magnificent Hamayun's tomb.
The monument is located outside the eastern enclosure wall (of the Hamayun's tomb), which is locally known as Nila Gumbad, due to the blue coloured dome. It is believed to contain the remains of one Fahim Khan, the attendant of Abdur Rahim Khan, who lived during the reign of Jahangir. The attendant died in 1626 A.D.
Varun Shiv Kapur has plenty of pictures of the historical buildings in the surrounding area which is steeped in history.