The tertiary sector includes service industry and it holds the highest importance among all sectors. The tertiary sector of economy involves the provision of services to business as well as final consumers. Services may involve the transport, distribution and sale of goods from producer to consumers as may happen in wholesaling and retailing, or may involve the provision of a service, such as in pest control or entertainment. The tertiary sectors account for of the GDP. India is the fifteenth largest country in the world in terms of services' output. This sector provides employment to of the workforce.