This document provides an overview of customer relationship marketing (CRM). It defines CRM as a business process focused on building customer loyalty and brand value through marketing strategies. The document outlines the evolution of CRM from a transactional focus in earlier periods to a relationship focus today. It discusses frameworks for implementing CRM, including segmenting customers, developing relationship marketing strategies and programs, and measuring customer satisfaction and retention. The document also provides case studies on CRM practices of Volkswagen India and relationship marketing benefits for the Sheraton Suites hotel.