Nationwide “Extremely Severe Alert” Triggers Phones as Government Tests Indigenous Disaster Warning System
A nationwide test of India’s indigenous Cell Broadcast system triggered “Extremely Severe Alert” messages on mobile phones. The government clarified it was a trial to strengthen disaster warning capabilities, ensuring rapid and reliable alerts during emergencies without requiring public action.
The alert message informed recipients that India has launched a Cell Broadcast service using indigenous technology for instant disaster alerting. It emphasized that the notification was a test message and that no action was required from the public. The message appeared in both English and Hindi on users’ devices, reinforcing that the exercise was part of a planned nationwide trial.
The initiative is being implemented by the Department of Telecommunications under the Ministry of Communications, in coordination with the National Disaster Management Authority. The system is integrated with the SACHET platform, which has been developed by the Centre for Development of Telematics as part of India’s push for self-reliant technological infrastructure.
Unlike conventional text messaging systems, Cell Broadcast technology allows alerts to be transmitted simultaneously to all mobile devices within a specific region. This ensures rapid dissemination without causing congestion in telecom networks, a critical advantage during emergencies when communication channels are often overloaded.
The system has been introduced to complement existing SMS-based alert mechanisms, strengthening the government’s ability to issue timely warnings during natural disasters such as tsunamis, earthquakes, and lightning strikes, as well as man-made emergencies including gas leaks and chemical hazards.
Officials stated that the technology is entirely developed within the country, with the Centre for Development of Telematics entrusted with its design and implementation. The ongoing trials aim to evaluate performance, coverage, and reliability before the system is formally launched nationwide.
During the testing phase, users may receive multiple alerts as different mobile towers and networks are assessed. Authorities clarified that this repetition is expected and forms a necessary part of system validation. Only mobile devices with Cell Broadcast test alerts enabled will receive these notifications, and users can manage these settings through their device’s safety and emergency alert options.
The government reiterated that these messages are part of a controlled testing exercise and do not require any response. Once fully operational, the system is expected to function automatically during real emergencies, delivering critical information to affected populations within seconds.
The rollout of this indigenous Cell Broadcast system marks a significant step in strengthening India’s disaster preparedness framework, ensuring faster, more reliable communication in times of crisis and enhancing public safety on a national scale.

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