MTNL Mahanagar Telephone Nigam Ltd Earnings Reports Announcement 2026 - Board Meeting Intimation MTNL to hold a board meeting on Feb 12, 2026 to approve unaudited Q3 FY2025-26 financial results; trading window closed until Feb 14, 2026..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Mahanagar Telephone Nigam Ltd