The aim of this article is to study the relationship between CSR and law, in order to contribute to an increased understanding of the role that law plays in CSR substance, to get more strict laws for betterment of the society. To implement and communicate with Business houses. Law is understood in the abstract sense as a concept and theory, as well as in terms of statutory and other regulatory elements. Honestly it is made to give a thorough study of the relationship between law and CSR. The aim is simply to discuss some issues that arise from the way that law and CSR interact, with particular emphasis on norms that appear to function as formal law. Environmental law and corporate social responsibility (CSR) play a crucial role in ensuring sustainable business practices and environmental protection. While environmental laws establish legal obligations for corporations to minimize their ecological footprint, CSR goes beyond compliance by encouraging voluntary initiatives that promote environmental sustainability. This paper studies the intersection of environmental law and CSR, highlighting key regulations, corporate best practices, and the impact of legal frameworks on business sustainability. It also investigate the role of stakeholders, including governments, NGOs, and consumers, in shaping corporate environmental responsibility. The study concludes that a balanced approach, integrating legal mandates with proactive corporate initiatives, is essential for fostering long-term environmental stewardship and sustainable economic growth. The research methods used in this paper are secondary data.