Vivek Rawal of People in Centre involved as Housing Advisor to UNDP led the housing sector assessment of the damage, loss and recovery needs. PDNA was a multiagency effort. UNDP, UN-Habitat, IOM, UNHCR and the World Bank participated in housing sector assessment. It estimated that 13,516 were fully collapsed, 18,434 houses suffered major damage, and 17,628 houses minor damage. Housing recovery needs estimated to be US$184.4 million which came to be 41% of overall needs. The report can be downloaded from here