IDBI IDBI Bank Ltd Credit Rating Changes Announcement 2023 - Rating Upgrade IDBI Bank Ltd.s rating has been upgraded by CARE from CARE A+ to CARE AA- for Basel III Compliant Tier II Bonds and their outlook has been revised from Positive to Stable..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for IDBI Bank Ltd