In its findings, the commission had said, “It has been revealed that from the point of view of earthquake disaster, most of the buildings, particularly residential ones, in the area of East Delhi are unsafe, as the entire area falls within the seismic zone IV on a scale of V.”The survey had revealed that most of the buildings, more particularly constructed in unauthorised colonies and/or unauthorised regularised colonies, were structurally unsafe as they have been constructed without following any guidelines and any prior sanction from the competent authorities.