Hindustan Zinc Ltd received a Crisil AAA/Stable rating for its Rs. 1,147 crore non-convertible debentures and reaffirmed the same for its bank facilities and debt programmes as of August 8, 2025; its EBITDA in fiscal 2025 was Rs. 17,388 crore, up 25% year-on-year, with a record metal production of 1,052 KT.