National Sample Survey Organisation (NSSO) conducted an integrated survey of households and unorganised manufacturing enterprises in the 62nd round of NSS during July 2005 - June 2006. The subjects covered were household consumer expenditure, employment and unemployment and unorganised manufacturing enterprises. The present report is the first one in a series of three reports to be brought out based on the survey on unorganised manufacturing enterprises. Apart from information on estimated number of enterprises and number of workers, the report provides the information on operational characteristics of the enterprises like location of enterprise, maintenance of accounts, number of working hours, nature of operation etc. at all India level for different industry groups and at the level of states / UTs for all the industry groups taken together.