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Broadband Speed Below the Promised Plan: Prove It, Then Make the ISP Choose

Reviewed on: 2026-06-12.

Broadband Speed Below Promised Plan evidence and complaint desk

A complaint that says “internet is slow” gets a script reply. A complaint built on a table like this gets a decision. Fill in your own numbers before you write a single line to the operator.

Item Example entry
Plan and promised speed 100 Mbps fibre, Rs 799 a month, cable broadband operator, Lucknow
Measured download speed 11 to 18 Mbps
Test method TRAI MySpeed app and a wired laptop test
When measured 9 tests across 6 days, mostly 7 pm to 11 pm
Data used this month 40 per cent of the plan limit, so no FUP cut
Ticket history Dockets [numbers], each closed as “resolved”, no change
Demand Restore the plan speed in 7 days, or downgrade me with a refund of the difference

The gap between row one and row two is your whole case. Everything below is about making that gap undeniable and then forcing a choice: deliver the speed, or stop charging for it.

What the rules say

TRAI regulates broadband quality of service. The long-standing benchmark in TRAI's broadband QoS framework has been that the subscriber should receive the subscribed speed, and the older norm operators were measured against required delivery of at least 80 per cent of the subscribed speed. From October 2024, TRAI's consolidated quality of service regulations for access and broadband services tightened how fixed-line operators measure and report speeds. You do not need to argue regulation numbers with customer care. You need the principle: the plan speed is the promise you paid for, and sustained delivery far below it is a service deficiency you can take to a consumer commission.

One honest check before you start. If you have crossed your monthly data limit, most plans lawfully reduce speed under the fair usage policy. Confirm your usage first. A speed complaint that ignores FUP collapses in the first reply.

Build a seven-day speed log

Evidence beats adjectives. Spend one week on this.

This log is the unique asset in your file. No call centre can argue with nine timestamped readings.

The escalation path

  1. Operator complaint centre. Raise the speed complaint with your log attached. Get a docket number under the operator's complaint redressal system. Ask for the resolution in writing, not a “we have optimised your connection” closure.
  2. Appellate authority of the operator. If the docket closes without the speed improving, appeal to the operator's appellate authority, whose contact must be published on its website. Attach the log and the closed dockets. TRAI itself does not decide individual complaints, so this internal appeal is the formal step that matters.
  3. National Consumer Helpline. Register on 1915 or consumerhelpline.gov.in. Free, fast to file, and it creates an independent record.
  4. Consumer commission via e-Daakhil. File at edaakhil.nic.in for deficiency in service. Claim a refund of the difference between the plan you paid for and the service you received, plus compensation. No court fee applies to claims up to Rs 5 lakh.

What to ask for, in order of preference

Where RTI fits

Your ISP, if private, is outside the RTI Act. But two public authorities hold useful records. TRAI is a public authority, and you can file an RTI application asking for the quality of service monitoring or audit reports filed by your operator for your service area, and the action TRAI took on them. The Department of Telecommunications is also covered. An RTI reply showing your operator failed its QoS benchmarks is strong supporting material in a consumer complaint. If your provider is BSNL, the RTI route applies to the operator itself. Start with how to file RTI online, and see using RTI in a telecom billing dispute for a related play.

Part of the broadband series

This guide is for a working but slow connection. If your connection was never installed after payment, read broadband not installed after payment. If you have quit and your money is stuck, read broadband deposit not refunded. The complaint mechanics are detailed in how to file a telecom complaint, and more guides sit at the practical guides hub.

FAQ

My phone shows low speed but the ISP says the line is fine. Who is right?

Possibly both, which is why wired tests matter. A test over Wi-Fi measures your router and interference too. Run a LAN cable test from a laptop. If the wired result is also far below plan, the operator's “your Wi-Fi” defence is finished.

Is 100 Mbps the same as 100 MBps?

No. Plans are sold in megabits per second (Mbps). Download managers often show megabytes per second (MBps), which is eight times smaller. A 100 Mbps line downloading at about 12 MBps is performing correctly. Check the unit before complaining.

Speed drops only after I cross my data limit. Can I dispute that?

Not usually. A disclosed fair usage policy is part of the plan you accepted. Your dispute is valid when speeds fall below the plan while you are within the limit, or if the FUP cut goes below the floor speed the plan itself promises.

Will TRAI MySpeed results be accepted as evidence?

They are the most credible readings an ordinary subscriber can produce, because the app is TRAI's own and results carry timestamps. Consumer commissions decide on the whole record, so pair MySpeed screenshots with wired test results and your ticket history.

Can I get money back for past months of slow service?

You can claim it. Ask the operator for a pro-rated rebate for the documented degraded period. If it refuses, include the amount in your consumer complaint as part of the deficiency claim. Your speed log defines the period, which is another reason to keep it.

The ISP keeps closing my tickets as resolved without fixing anything.

Reply on the ticket in writing that the issue is not resolved, attach a fresh test, and ask for it to be reopened. Repeated false closures strengthen your appellate and consumer case, so save every closure SMS and email.

Download the broadband speed evidence checklist (PDF).