marble dome that surmounts the tomb. The onion shaped dome sits on a 12 m high cylindrical drum with an inner diameter of 18.4 m. The dome is slightly asymmetrical and is topped by a 9.6 m high gilded finial. The intermediate zone between the drum and the dome is supplanted by an ornamental moulding with a twisted rope design.

The main dome is surrounded by four smaller domes or chattris placed at its corners, which replicate the onion