This document is an excerpt from the introduction chapter of the textbook "Human Resource Management" by Gary Dessler and Biju Varkkey. It provides an overview of human resource management (HRM), including its relationship to the management process, the responsibilities of line and staff managers, HRM specialties, and how HRM is adapting to changes in the environment and taking on a more strategic role. It also briefly discusses the evolution of HRM in India and challenges faced by Indian organizations.