How to register complaint against spam numbers in India: Complete guide

February 25, 2026

Deepti Ratnam

In India, you can register a complaint against spam numbers by using the TRAI DND (Do Not Disturb) service.

Send a message to 1909 to block unwanted promotional calls and SMS.

Type “START 0” in SMS and send it to 1909 to activate full DND protection.

You can also register complaints through your mobile operator’s official app.

Report spam calls directly using the “Chakshu” portal launched by the government.

Provide details like the spam number, time of call, and message content while reporting.

The telecom authority will investigate and take action against repeated offenders.

After registering the complaint, wait for confirmation and check complaint status online.

Thanks For Reading!

Worried About Hacking? Secure Your Accounts Like This