GNFC Gujarat Narmada Valley Fertilizers & Chemicals Ltd Legal Disputes Announcement 2026 - Trading Window Closure Trading window for insiders closed from Apr 1, 2026, until 48 hours after Q4 FY2026 results are approved; further board date to be announced..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Gujarat Narmada Valley Fertilizers & Chemicals Ltd