MTNL Mahanagar Telephone Nigam Ltd Payment Defaults Announcement 2025 - Interest Payment Default Mahanagar Telephone Nigam Ltd has announced that it will not be able to fund the 5th semi-annual interest payment of 7.87% on Bond Series VII-B due on June 1, 2025, due to insufficient funds in the escrow account at Bank of India, as per their regulatory requirement..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Mahanagar Telephone Nigam Ltd