TNPSC Thervupettagam

Disaster Alerts Test

July 8 , 2025 15 hrs 0 min 74 0
  • The Department of Telecommunications (DoT) and the National Disaster Management Authority (NDMA) work to improve disaster alerts in India.
  • They use an Integrated Alert System called SACHET to send disaster messages.
  • SACHET sends alerts as SMS to people in specific areas during emergencies.
  • The system uses the Common Alerting Protocol (CAP), recommended by the International Telecommunication Union (ITU).
  • To improve alerts, the Cell Broadcast (CB) technology is being tested for faster messages.
  • The CB sends alerts to all phones in an affected area quickly during events like earthquakes or tsunamis.

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