MTNL Mahanagar Telephone Nigam Ltd Payment Defaults Announcement 2025 - Bond Interest Funding Mahanagar Telephone Nigam Ltd announced that they funded the escrow account for the 5th semi-annual interest payment on their 7.87% bond on May 28, 2025, due on June 1, 2025..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Mahanagar Telephone Nigam Ltd