the scheme for rehabilitation of the slum dwellers has to be implemented by demolishing the existing structures at site. The slum rehabilitation project is then implemented by construction of what is styled as rehabilitation building. In that rehabilitation building, all eligible slum dwellers have to be provided with permanent alternate accommodation. If apart from the eligible slum dwellers, there are other slums at the site, the dwellers thereof have to establish and prove their eligibility by approaching the Competent Authority with the documentary evidence. The Slum Rehabilitation Authority is not expected to wait till all claims of the slum dwellers at site are decided, for, then it will be impossible for the Slum Rehabilitation Authority as also the Developer to implement the project. Those who have vacated their structures or handed over them for demolition voluntarily to the Developer and the Authority, cannot suffer merely because parties like the petitioners are yet to establish and prove their eligibility. The law is crystal clear that if the petitioners succeed in establishing and proving their eligibility, they will be accommodated in the ongoing project by providing permanent alternate