The cabinet approved a proposal submitted by the Aga Khan Trust for Culture which is working on the beautification of the area surrounding the monument and is also involved in conservation of several historic buildings. The entire work is likely to be completed in 30 months. According to officials, Aga Khan Trust for Culture (AKTC) is already engaged in heritage conservation work of unifying the three historical sites of Humayun's Tomb, Nizamuddin Basti and Sunder Nursery into one unique heritage precinct. This heritage precinct is adjoining the Azimganj Serai monument.