India, May 25 -- Hindustan Zinc has achieved another milestone in responsible production with its Rampura Agucha Mine - the world's largest underground zinc-lead mine, now becoming India's first Zinc Mark certified mine. Zinc Mark is a globally recognised assurance framework that validates responsible zinc production against internationally benchmarked Environmental, Social and Governance (ESG) standards, responsible sourcing practices, and value chain transparency.The certification marks a significant milestone for India's mining sector while further strengthening Hindustan Zinc's integrated approach towards responsible production across its value chain, enabling end-to-end responsible zinc production from mining to smelting. The achieveme...