MTNL Mahanagar Telephone Nigam Ltd Legal Disputes Announcement 2026 - Annual Secretarial Compliance MTNL files Annual Secretarial Compliance Report for FY2026 with SEBI-LODR; report prepared by RP Sehgal & Associates, dated 17.04.2026..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Mahanagar Telephone Nigam Ltd