The document discusses the various services sectors in India and their marketing applications. It outlines 10 major services sectors - financial services, IT services, tourism, hospitality, travel and transport, education and health, hotel services, information services, telecom services, and entertainment services. For each sector, it provides a brief overview of the sector and discusses how marketing is applied. The key services sectors in India are financial services, IT, tourism, and telecom, which have experienced significant growth and contribute substantially to the national economy and employment.