DIANATEA Diana Tea Company Ltd Changes in credit ratings Announcement 2024 - Credit Rating Update DIANA TEA CO.LTD. re-affirmed Credit Ratings as "CRISIL BBB-/Stable" and "CRISIL A3" for long-term and short-term facilities respectively..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Diana Tea Company Ltd