The Companies Act 2013 mandates corporate social responsibility (CSR) for eligible companies, outlining that CSR involves ethical treatment of stakeholders and creating societal impacts through various initiatives. Companies meeting certain financial criteria are required to create a CSR policy, form a CSR committee, and allocate at least 2% of their average net profits towards CSR activities, which should focus on local community needs. Additionally, specific guidelines and exclusions are detailed regarding qualifying CSR activities and expenditure reporting requirements to ensure transparency and accountability.