This document discusses the evolution of human resource management (HRM) through different eras: the industrial revolution era focused on discipline and job displacement; the trade unionism era emphasized employee grievance systems and benefits; the social responsibility era saw a paternalistic attitude towards employees' welfare; the scientific management era developed principles of job analysis and matching employees' skills to roles; the industrial psychology era researched selection and testing; the behavioral science era recognized motivational theories; and the personnel specialists era managed human resources through training, wages, and relations. It notes factors driving HRM development and dynamics around operational, cultural, and strategic changes. Contemporary Indian HRM trends are shaped by global, professional, and socio-emotional drivers.