This report discusses the theories and models of Human Resource Management (HRM) and their application in organizations. It explores the Expectancy theory and Job Characteristics model, comparing and contrasting their similarities and differences. The report also examines the Warwick model and Matching model of HRM, analyzing how they affect businesses and their decisions. The application of these models is demonstrated through HCL Technologies Limited. The report concludes by recommending the use of the Warwick model for effective HRM in the company.