MTNL Mahanagar Telephone Nigam Ltd Investments/Divestments Announcement 2023 - Disclosure in Related Party Transaction MAHANAGAR TELEPHONE NIGAM LTD. submits disclosure of Related Party transaction for FY ended 31.03.2023.Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Mahanagar Telephone Nigam Ltd