DEEPAKFERT Deepak Fertilisers & Petrochemicals Corp Ltd Changes in credit ratings Announcement 2025 - Credit Rating Upgrade Deepak Fertilisers received a credit rating reaffirmation from Crisil with the outlook changed to Positive on September 26, 2025..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Deepak Fertilisers & Petrochemicals Corp Ltd