The study of the structure revealed that over 80% of the stone blocks had severe cracks and past repairs had inappropriately only filled up burst portions of stone blocks with white cement – masking the damage but allowing the deterioration to accelerate.
In view of the unique architectural design, construction techniques of the Chausath Khamba as well as the fact that each stone itself was unique in shape and size, it was agreed that all original stone was required to be retained. However, steps needed to be taken to replace iron dowels with non-corrosive stainless steel dowels of matching size. Roof repairs to halt water penetration were also urgently required.
The forecourt – largest open space in Hazrat Nizamuddin Basti – was to be landscaped to create a performance venue for the Qawwali musicians residing in the historic neighborhood.