Mahanagar Telephone Nigam Limited (MTNL) informed the exchanges on August 18, 2026, through a BSE filing that the Telecom Regulatory Authority of India has imposed a Rs 12 lakh financial disincentive on the government-owned telecom company. The MTNL TRAI penalty relates to its wireline access service performance during the quarter ended March 2026.

According to the disclosure, MTNL received the regulator's order dated August 17, 2026. TRAI imposed the financial disincentive for contravention of Regulation 4 and Regulation 10 of the Standards of Quality of Service of Access (Wireline and Wireless) and Broadband (Wireline and Wireless) Service Regulations, 2024.

Penalty concerns wireline access services

The regulatory action specifically concerns Access Service (Wireline) provided by MTNL for the quarter ending March 2026. The company's filing identified the applicable framework as the Standards of Quality of Service regulations notified in 2024.

  • Authority: Telecom Regulatory Authority of India
  • Financial disincentive: Rs 12,00,000
  • Order date: August 17, 2026
  • Relevant period: Quarter ended March 2026
  • Service covered: Access Service (Wireline)

MTNL submitted the disclosure under Regulations 30 and 51 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. It also cited sub-paragraph 20 of Paragraph A, Part A of Schedule III while reporting the regulatory action to BSE and the National Stock Exchange of India.

MTNL says operations face no material impact

The company stated that the total monetary impact is limited to the Rs 12 lakh penalty. It further said there is no material impact on MTNL's financial position, operations or other activities from the TRAI order.

The filing was addressed to BSE, where MTNL trades under scrip code 500108, and to NSE, where its scrip symbol is MTNL. Company Secretary Ratan Mani Sumit signed the exchange communication dated August 18, 2026.

The announcement records the regulator's financial disincentive and the company's assessment of its impact; it does not provide any additional financial or operational measures arising from the order.

Source: BSE corporate announcement.