IDBI IDBI Bank Ltd Credit Rating Changes Announcement 2023 - Rating Upgrade India Ratings has upgraded IDBI Banks rating from "IND A+" to "IND AA-" with a stable outlook for long term issuer rating and reaffirmed "IND A1+" rating for short term issuer rating..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for IDBI Bank Ltd