Hindustan Zinc filed its Business Responsibility and Sustainability Report (BRSR) for the financial year ended March 31, 2026, with the stock exchanges on June 05, 2026. The report, submitted pursuant to Regulation 34(2)(f) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, details the company's environmental, social, and governance (ESG) performance. The disclosures have been made on a consolidated basis, covering the company and its subsidiaries, and include an Independent Auditors’ Assessment provided by M/s. S. R. Batliboi & Co. LLP.

The company has reaffirmed its commitment to sustainability by setting a goal to achieve net zero carbon emissions by 2050 or sooner. This commitment is part of a broader strategy to reduce Scope 1 and 2 emissions by 50% and Scope 3 emissions by 25% from the 2020 baseline. To support these targets, Hindustan Zinc has signed power purchase agreements for up to 530 MW of renewable energy and has introduced electric vehicles for logistics. The report highlights that the company is 3.32 times water positive and has implemented zero liquid discharge plants across all smelters.

Safety and Operational Performance

During the reporting year, the company experienced the tragic loss of two colleagues from its business partners in work-related incidents. In response, Hindustan Zinc conducted detailed root cause analyses and reinforced its safety culture under its Zero Harm vision. The company invested ₹61.7 crore in critical engineering risk control interventions to strengthen workplace safety. Additionally, the report notes that the company established India’s first all-women underground mine rescue team and launched Team Tejaswini to foster diversity and inclusion.

Stakeholder Engagement and Social Impact

Through its social impact initiatives, the company reached over 2.6 million beneficiaries, focusing on education, healthcare, skill development, and women empowerment. The company’s stakeholder engagement was strengthened through an ICMM-aligned Action Plan, with a focused emphasis on social performance. The report also details the company's materiality assessment, which identified key ESG issues such as air emissions, tailings management, and climate change as priority risks and opportunities for the business.

Financial and Governance Disclosures

The BRSR includes detailed financial figures, such as a paid-up capital of ₹845.06 crore and a consolidated turnover of ₹40,844 crore. The report confirms that the company’s operations are compliant with applicable environmental laws and regulations. The Board-level Sustainability and ESG Committee, chaired by an Independent Director, oversees the formulation and implementation of sustainability strategies. The independent auditors, M/s. S. R. Batliboi & Co. LLP, provided reasonable assurance for the BRSR Core indicators and limited assurance for the remaining indicators.

The Directorate of Enforcement conducted a search operation at Hindustan Zinc from June 1, 2026, to June 3, 2026, under the provisions of the Foreign Exchange Management Act, 1999. The regulatory action concluded at 04:10 AM on June 3. The company disclosed that the search was initiated at its premises and confirmed that its officers provided all necessary information, documents, and clarifications as sought by the Enforcement Directorate during the process.

The disclosure was made to the stock exchanges in compliance with Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. The company stated that the specific details regarding any violations or contraventions alleged by the authority were referenced in the communication regarding the nature of the search. Hindustan Zinc affirmed that it cannot ascertain the details of any penalty, restriction, or sanction at this stage.

Impact Assessment

Hindustan Zinc clarified that the search operation has no quantifiable impact on its financial, operational, or other activities. The company indicated that it will take appropriate action in due course regarding the matter. The following table summarizes the key details of the regulatory communication: