MTNL Mahanagar Telephone Nigam Ltd Earnings Reports Announcement 2024 - Confirmation Certificate - Regulation 74(5) MTNL has submitted a confirmation certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the quarter ended December 31, 2023..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Mahanagar Telephone Nigam Ltd