MTNL Mahanagar Telephone Nigam Ltd Management Changes Announcement 2024 - Director Appointment Dr. Kalyan Sagar Nippani appointed as Director (Technical) of MTNL for 3 months, Shri V.Ramesh ceased to be Director on 31.07.2024..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Mahanagar Telephone Nigam Ltd