This document provides an introduction to the concept of corporate social responsibility (CSR). It defines CSR as how companies manage their business processes to positively impact society. The document outlines the evolution of CSR from the 1950s to present day. It discusses drivers of CSR like investor pressure and defines benefits like strengthened brands and attracting employees. Examples of CSR programs from companies like IBM and Avon are provided. Challenges faced by companies like Coca-Cola in India are also summarized. The document examines perspectives on CSR from business and economics lenses. It analyzes the relationship between CSR and social legitimacy as well as the evolving roles of stakeholders in CSR.