The Department of Telecommunications (DoT), in collaboration with the National Disaster Management Authority (NDMA), is testing a new Cell Broadcast (CB) system for real-time emergency alerts. The system is being indigenously developed by C-DOT (Centre for Development of Telematics). It is under nationwide testing for 2–4 weeks.
About Cell Broadcast System
| Feature | Details |
| Technology | Cell Broadcast (CB) |
| Developer | Centre for Development of Telematics (C-DOT), under Department of Telecom |
| Purpose | Send instant real-time alerts to all mobile phones in a geo-targeted area |
| Coverage | Natural and man-made disasters — tsunamis, earthquakes, lightning, gas leaks, chemical hazards, etc. |
| Difference from SMS | CB messages are broadcasted simultaneously to all mobile users in an area, unlike SMS, which is sent individually |
| Language Support | Alerts will be sent in multiple Indian languages |
| Testing Phase | Pan-India rollout being tested for 2–4 weeks; messages marked as “test” will not require any action |
| Reach During Testing | Only mobiles with CB test channels enabled may receive messages multiple times |
| Final Outcome | Post successful testing, system will be used nationwide, regardless of handset model or CB settings |
Why It Matters?
- Rapid Alert Dissemination: In disaster-prone areas, instant alerts can save lives.
- Inclusive Communication: Will reach all user- regardless of network or handset- ensuring universal coverage.
- Supports National Disaster Response: Enhances India’s emergency preparedness infrastructure.
About SACHET- Existing SMS Alert System
| Feature | Details |
| Name | SACHET (Integrated Alert System) |
| Managed by | National Disaster Management Authority (NDMA) |
| Technology Base | Common Alerting Protocol (CAP), recommended by ITU |
| Developer | C-DOT |
| Operational Since | Deployed in all 36 States and UTs |
| Function | Sends geo-targeted SMS alerts to mobile users during emergencies |
| Performance | Over 6,899 crore SMS alerts sent in 19 Indian languages during weather warnings and natural disasters |