MTNL Mahanagar Telephone Nigam Ltd Other Situations Announcement 2025 - Bond Interest Funding Mahanagar Telephone Nigam Ltd has funded the 3rd semi-annual interest payment of 7.80% for bond Series VIII C on May 3, 2025, which is due on May 7, 2025..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Mahanagar Telephone Nigam Ltd