IOB Indian Overseas Bank Credit Rating Changes Announcement 2024 - Credit Rating Upgrade Indian Overseas Banks long-term ratings have been upgraded by CRISIL from CRISIL AA to CRISIL AA+, with a stable outlook. The bank has seen improved earnings, asset quality, and capital position..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Indian Overseas Bank