MTNL Mahanagar Telephone Nigam Ltd Business Restructuring Announcement 2023 - Debt Restructuring MTNL submits their audited financial statements for the FY ended on 31st March 2023 and announces a proposal to issue guaranteed unsecured bonds in the FY 2023-24..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Mahanagar Telephone Nigam Ltd