KOVAI Kovai Medical Center & Hospital Ltd Credit Rating Changes Announcement 2025 - Credit Rating Update KOVAI MEDICAL CENTER & HOSPITAL LTD. received a CRISIL credit rating of AA- (stable) for total bank loan facilities rated at Rs. 500 Crore, increased from Rs. 400 Crore..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Kovai Medical Center & Hospital Ltd