MTNL Mahanagar Telephone Nigam Ltd Investments/Divestments Announcement 2023 - Equity, Debt MTNL has allotted 248,000 bonds with a face value of Rs. 1,00,000 each on July 20, 2023..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Mahanagar Telephone Nigam Ltd