This report provides a comparative analysis of the sustainability reports of Reliance Industries Ltd. and Tata Motors, two prominent Indian companies. The report examines their vision, mission, and business activities, focusing on their Corporate Social Responsibility (CSR) initiatives and contributions to sustainable development. It explores the nature of their sustainability reports, highlighting similarities and differences in their approaches to environmental protection, social contribution, and community development. The analysis further delves into the Sustainable Development Goals (SDGs) addressed by each company, assessing their impact on various aspects of society and the environment. The report also applies the Dunphy, Griffiths, and Benn six-stage organizational sustainability model to determine the sustainability phase of each company. Furthermore, it reflects on the stated values of both companies, examining how these values are reflected in their code of conduct and business practices. Finally, the report summarizes the findings from a group discussion, addressing ethical concerns and evaluating the companies' commitment to environmental protection and data safety. The report concludes by emphasizing the need for both companies to enhance their contributions towards environmental sustainability.