This book studies the expansion and consolidation of the socio-political and economic structure in the time of Lord Buddha. The socio-economic, political and cultural life of the period have been situated in the historical context. Buddhist concept of the state with reference to the Cakkavatti concept and the ideal socio-political order and social stratification have been explored. The man of substance 'Gahapati' have been discussed and documented. This book focuses on an important period of Buddhism.