WABAG Va Tech Wabag Ltd Credit Rating Changes Announcement 2025 - Credit Rating Upgrade VA TECH WABAG LTD.'s credit rating has been upgraded to 'IND AA-' with a stable outlook by India Ratings, reflecting strong financial performance and healthy revenue visibility..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Va Tech Wabag Ltd