On November 24, 2023, the Telecom Regulatory Authority of India (TRAI) issued an advisory, urging citizens to report spam calls and SMS through the TRAI DND App rather than simply blocking numbers on their phones. TRAI has facilitated the disconnection and blacklisting of over 21 lakh mobile numbers and around one lakh entities involved in sending spam and fraudulent messages in the past year, acting on citizen complaints. This was made possible by citizens reporting spam through the TRAI DND App, which allows TRAI and telecom service providers to trace, verify, and permanently disconnect the mobile numbers.
Citizens are advised to download the TRAI DND App from official app stores, report spam SMS/calls using the TRAI DND App instead of blocking them on phones, avoid sharing personal or banking details, disconnect immediately if receiving threatening or suspicious calls, report cyber frauds to the National Cybercrime Helpline (1930) or www.cybercrime.gov.in, and report attempted fraud through misuse of telecom resources using Sanchar Saathi's "Chakshu" feature.
TRAI is committed to ensuring a safe, secure, and trustworthy telecom environment.
Key Entities Referenced
TRAI DND App: Official app of the Telecom Regulatory Authority of India used for reporting spam calls/SMS.
TRAI: Telecom Regulatory Authority of India, the regulator issuing the advisory.
Sanchar Saathi's "Chakshu": A feature or initiative used for reporting attempted fraud through misuse of telecom resources.
National Cybercrime Helpline (1930): Helpline for reporting cyber frauds.
Ministry of Communications
TRAI Takes Action on Over 21 Lakh Fraudulent
Numbers & one lakh entities in One Year
TRAI urges all mobile users to report spam and fraud via
the TRAI DND App, not just block calls on their phones
Posted On: 24 NOV 2025 3:28PM by PIB Delhi
The Telecom Regulatory Authority of India (TRAI) has issued an advisory urging citizens to report
spam calls/SMS through the TRAI DND App. highlighting that simply blocking numbers on
personal devices does not stop spam at the source.
Over the past year, TRAI- acting on citizen complaints facilitated the disconnection and
blacklisting of more than 21 lakh mobile numbers & around one lakh entities involved in
sending spam and fraudulent messages. This demonstrates that collective reporting by users plays a
crucial role in curbing telecom misuse nationwide.
This large-scale action was made possible because citizens reported spam through the official
TRAI DND App. When a user reports a spam call or SMS on the TRAI DND App, it allows TRAI
and telecom service providers to trace, verify, and permanently disconnect the mobile numbers.
In contrast, blocking a number on phone only hides it on your personal device- it does not
prevent the scammer from contacting others using new numbers.
Public Advisory
Citizens are advised to:
Download the TRAI DND App from official app stores
Report spam SMS/calls using TRAI DND App instead of blocking them on phones to help
identify and disconnect offenders
Avoid sharing personal or banking details on calls, messages, or social media
Disconnect immediately if receiving threatening or suspicious calls
Report cyber frauds to the National Cybercrime Helpline (1930) or www.cybercrime.gov.in
Report attempted fraud through misuse of telecom resources using Sanchar Saathi's
"Chakshu" feature
The Authority remains committed to ensuring a safe, secure, and trustworthy telecom environment
for all citizens. Ongoing enforcement actions, technology-driven monitoring, and public participation
through the TRAI DND App are essential to stop spam at the source.TRAI urges all citizens - especially senior citizens, women users, and digitally new or less-
experienced audiences - to stay alert, share this advisory, and report any suspicious communication
promptly.
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