GRI (Global Reporting Initiative) →                                                                                                        Global sustainability framework aligned with UNSDGs:                                                                      Economic, Environmental and Social Impacts.

BRSR (India) →

Mandatory for top 1,000 listed firms; structured ESG disclosures aligned with NGRBC.
GHG Protocol →

Standard for measuring emissions (Scope 1, 2, 3); basis for carbon accounting & Net Zero.
Carbon Trust → UK certifications: carbon footprint verification, Net Zero,  Resource efficiency.
Eco-Vadis → Global supply chain ratings; evaluates environment, labour, ethics, procurement; investor scorecards.
CDP (Carbon Disclosure Project) → Platform for climate, water, deforestation disclosures; benchmarking tool.
TCFD → Climate risk disclosure framework; covers governance, strategy, risk, metrics.
ISSB / SASB → Industry‑specific ESG standards; focused on financial materiality & investor relevance.
Integrated Reporting (IIRC) → Combines financial + non‑financial reporting; long‑term value across six capitals.