This document provides a self-introduction and presentation by Hari Krishna on customer relationship management services. It acknowledges the faculty member, Latha Diwakar, for her guidance. Hari Krishna visited Vijetha Super Market for his project work. The presentation defines customers and customer service, identifies internal and external customers with examples. It analyzes different types of external customers and methods to identify customer needs and satisfaction. Bottlenecks in customer service are identified along with solutions. Customer perception, satisfaction, delight and retention are discussed. Various customer service skills observed internally and externally are assessed.