Verified: 1 July 2026 04:30 am IST
Industry: Telecommunications (Public Sector Undertaking)
Jurisdiction: India (Delhi & Mumbai Metro Circles)
Primary Regulator: Telecom Regulatory Authority of India (TRAI) / Department of Telecommunications (DoT)
Important Safety Warning: Beware of the “Fake Support & KYC Scam.” Scammers frequently buy ads on Google displaying fake MTNL customer service helplines or send SMS messages claiming your MTNL SIM will be blocked without KYC. This is a scam. MTNL staff will never ask you to pay a “processing fee” via a random link, share your UPI PIN, or request you to download third-party screen-sharing apps (like AnyDesk/RustDesk) to troubleshoot a broadband outage.
Level 1: Customer Support (Initial Complaint)
How to complain: Register your complaint (network outages, billing errors, FTTH/broadband downtime, or SIM issues) directly by calling the TRAI-mandated toll-free number 198. For specific MTNL numbers: call 1500 for Basic Landline/Broadband, and 1503 for Mobile services (Dolphin/Trump). You can also log the complaint directly via the MTNL Selfcare web portal for your respective city. You must insist on receiving a unique “Docket Number” via SMS - without this number, your complaint does not legally exist in the regulatory system.
Availability: The automated web portals and 198/1500 telephone helplines operate 24x7.
Timeline: Under TRAI Quality of Service (QoS) rules, MTNL must resolve service disruptions/faults within 3 days and all other general complaints within 7 days. Billing disputes must be addressed within 4 weeks (one billing cycle).
Level 2: Internal Escalation (Appellate Authority)
Who to contact: If Level 1 support fails, your network remains down, or your billing dispute is unjustly dismissed, you must formally escalate to the Appellate Authority. Under TRAI rules, MTNL maintains Appellate Authorities separated by administrative zones in Delhi and Mumbai. You must locate the specific email address and phone number for your zone’s Appellate Authority at mtnl.in (under the Customer Grievance Redressal section). You must email your formal grievance, clearly stating your original Docket Number, to your zone’s specific email address. Written legal notices must be sent via physical post to the corporate headquarters (Mahanagar Telephone Nigam Limited, Mahanagar Doorsanchar Sadan, 9 CGO Complex, Lodhi Road, New Delhi – 110003).
Timeline: By law, you must file your appeal within 30 days of the Level 1 decision expiry. The Appellate Authority must acknowledge the appeal and dispose of it to provide a reasoned resolution within 39 days from the date of filing.
Level 3: Administrative Mediation (CPGRAMS & Sanchar Saathi)
Authority: TRAI and TDSAT do not mediate individual consumer disputes. If MTNL’s Appellate Authority rejects your claim or ignores you, your next step is administrative intervention. As a PSU, MTNL is directly accountable on the Centralized Public Grievance Redress and Monitoring System (CPGRAMS) monitored by the Department of Telecommunications (DoT). For critical security issues like SIM-swap fraud, stolen handsets, or severe financial spam, you must use the specialized Sanchar Saathi platform.
Portal/Contact: You must register your general grievance online at pgportal.gov.in under the “Department of Telecommunications” category. For fraud, stolen phones, or spam reporting, use sancharsaathi.gov.in. Note that the National Consumer Helpline (NCH) at 1915 or consumerhelpline.gov.in can still be used for commercial consumer disputes.
Level 4: Legal Action (Final Step)
Pre-Litigation: If administrative mediation via CPGRAMS fails, or the company refuses to comply with a demand for compensation regarding prolonged service denial, you have exhausted all administrative avenues. You must now prepare for formal litigation under the Consumer Protection Act, 2019.
Court/Arbitration: You must file a formal complaint with the appropriate Consumer Disputes Redressal Commission against Mahanagar Telephone Nigam Limited. For consumer claims up to ₹50 Lakhs, you will file at the District Commission. You can file your case entirely online using the government’s unified e-Jagriti portal (e-jagriti.gov.in).
Timeline: You must file the consumer case within two years from the date the cause of action occurred.
Community Action: Is MTNL refusing to refund a massive broadband billing error, or are you looking for the correct template to formally escalate a network outage to your zone’s Appellate Authority? Reply below (do not share your passwords, bank details, or your exact phone numbers), and our community will point you to the right resources!