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India tests cell broadcast alerts that can reach millions within seconds during emergencies
India
Published on 3 May 2026
It blasts one message to every phone in-range
If your phone buzzed with a sudden alert, it was likely part of India’s nationwide test of a faster disaster warning system. Run by DoT with NDMA support, the Integrated Alert System SACHET is adding cell broadcast to replace slower SMS-style delivery. Cell broadcast sends one message to all phones on a tower, needs no registration, and can improve reach even during network congestion.
- The test involves DoT and NDMA using SACHET disaster alerts nationwide
- Cell broadcast sends alerts to all phones connected to a tower at once
- No registration or phone numbers are needed, including for visitors
- Officials say no action is required during trial messages across languages
Read the full story at Inc42
This summarization was done by Beige for a story published on 
Inc42