What Is ESG? Meaning and Why It Matters for Businesses and Investors

ESG stands for Environmental, Social, and Governance, a framework used to measure how responsibly a company operates beyond just its financial profit and loss. In India, the top 1,000 listed companies by market capitalization are now required to disclose ESG performance under SEBI’s Business Responsibility and Sustainability Reporting (BRSR) framework.

The Three Pillars of ESG

The Environmental pillar covers how a company impacts the planet, including carbon emissions, energy use, waste management, and resource conservation. The Social pillar covers how a company treats people, including employees, customers, and the communities it operates in, spanning labour practices, diversity and inclusion, workplace safety, and community impact. The Governance pillar covers how a company is actually run, including board structure, executive pay, shareholder rights, transparency, and anti-corruption practices. Consequently, ESG evaluates a company across all three dimensions together, rather than treating environmental responsibility as separate from how ethically and transparently the business is managed.

Why ESG Has Become Central to Business in India

ESG has shifted from an optional corporate initiative to a near-mandatory consideration, driven by a combination of regulatory requirements, investor demand, and global market expectations. Under India’s BRSR framework, the top 250 listed companies by market capitalization must disclose Scope 3 greenhouse gas emissions starting FY 2024-25, with assurance requirements for those emissions extending from FY 2025-26. Furthermore, institutional investors increasingly factor ESG performance into investment decisions, meaning companies with weak ESG practices can face a higher cost of capital or reduced access to certain funds entirely.

Who Actually Has to Report ESG Performance?

In India, mandatory ESG disclosure through BRSR currently applies to the top 1,000 listed companies by market capitalization, a requirement that has been in place since FY 2022-23. However, many mid-sized and smaller companies voluntarily adopt ESG reporting practices anyway, recognizing that ESG credentials increasingly influence business relationships, financing terms, and market perception even outside strict regulatory requirements. Therefore, while the legal mandate targets India’s largest listed companies specifically, ESG’s practical influence extends considerably further across the broader business landscape.

ESG for Investors: Why It Matters Beyond Compliance

For investors, ESG scores and disclosures offer a way to assess risks that traditional financial statements might not fully capture, such as a company’s exposure to environmental regulation, labour disputes, or governance scandals. Consequently, ESG-focused mutual funds and investment products have grown as a distinct category in India, allowing investors to specifically target companies with strong ESG performance as part of their portfolio strategy. If you’re evaluating a company’s ESG standing yourself, GreenNewsDesk’s ESG Score Self-Assessment Tool can help you get a preliminary sense of where a business stands across the three pillars.

Common Criticisms and Limitations of ESG

ESG is not without valid criticism: rating methodologies vary significantly between agencies, meaning the same company can receive meaningfully different ESG scores depending on which rating provider is used. Additionally, “greenwashing,” where companies overstate their environmental or social credentials without matching substance, remains a persistent risk that regulators including SEBI have specifically moved to address through stricter disclosure guidelines. Therefore, ESG scores and reports are useful as one input for evaluating a company, but are most reliable when cross-checked against a company’s actual disclosed data rather than taken purely at face value. To learn more about how ESG connects to specific investment products, see our guide on ESG investing for Indian investors. Browse more explainers in the Green Finance & Business category.

ESG vs CSR: What Is the Difference?

ESG and Corporate Social Responsibility (CSR) are often confused, but they serve different purposes. CSR is a voluntary, often philanthropic activity — a company donating to disaster relief or funding a school is practicing CSR. ESG, in contrast, is a structured measurement framework used by investors, regulators, and rating agencies to evaluate a company’s actual operational impact and governance quality. In India, CSR spending is legally mandated under Section 135 of the Companies Act for qualifying companies, while ESG disclosure falls under SEBI’s BRSR framework. A company can have a strong CSR program and still score poorly on ESG if its core operations carry high emissions or weak governance. Consequently, investors increasingly look past CSR spending and focus on quantifiable ESG metrics when assessing long-term risk.

Frequently Asked Questions

What does ESG stand for?

ESG stands for Environmental, Social, and Governance, a framework used to measure how responsibly a company operates across environmental impact, treatment of people, and corporate governance.

Which companies in India must report ESG performance?

The top 1,000 listed companies by market capitalization must disclose ESG performance under SEBI’s BRSR framework, a requirement in place since FY 2022-23.

Why do investors care about ESG?

ESG scores help investors assess risks not always visible in financial statements, such as regulatory exposure, labour disputes, or governance issues, and increasingly influence investment decisions.

Is ESG the same across all rating agencies?

No, ESG rating methodologies vary between agencies, meaning the same company can receive different scores depending on which provider is used.

What is greenwashing in the context of ESG?

Greenwashing refers to companies overstating their environmental or social credentials without matching substance, a risk regulators like SEBI have moved to address through stricter disclosure rules.