Indian Economy has undergone dynamic structural transformation from agriculture sector to service sector since 1990 by leapfrogging the industrial sector. The book is about the role of service sector in various macro-aggregates like output, employment, consumption, Investment, export and taxation. The book contains the various fast grower services and factor which triggers their growth. Apart from it, sustainability of the service sector is also estimated using the cointegration approach. The book explores the prospects and retrospects of services sector in India. It gives valuable contribution to academician, policymakers and scholar by enriching their knowledge about the services sector.