Customer Relationship Management (CRM) is an approach to managing a company's interaction with current and potential future customers. The CRM approach tries to analyze data about customer’s history with a company, to improve business relationships with customers, specifically focusing on customer retention, and ultimately to drive sales growth. The main objective of the study is to present the customer’s perception towards the customer relationship Management practices and problem faced by the customers in relation to customer relationship management practices in public sector banks in Tirunelveli district.

 KEY WORDS: customer relationship management, customer retention, perception, sales growth.