HINDZINC Hindustan Zinc Ltd Credit Rating Changes Announcement 2025 - Credit Rating Assigned Hindustan Zinc Ltd. announced that ICRA has assigned a credit rating of A1+ for its Rs. 5,000 crore commercial paper as of January 6, 2025..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Hindustan Zinc Ltd