Emergency Alert Flashes on Bengaluru Mobile Phones as Govt Tests Warning System

Bengaluru residents recieved a loud emergency alert siren on their mobile phones on May 2, but officials have clarified that there is no cause for concern.

The alert is part of a nationwide test to check how disaster warnings are delivered across mobile networks. It is a planned drill linked to a national preparedness exercise, and users are not required to take any action when the message appears.

Authorities have asked people to remain calm and continue with their routine. The test is being used to assess how efficiently alerts are delivered, including how quickly messages reach users and how wide the coverage is.

The message appeared on phones reads:

"Extremely severe alert
India launches Cell Broadcast using indigenous technology for instant disaster alerting service for its citizens. Alert citizens, safe nation. No action is required by the public upon receipt of this message. This is a test message. - Govt of India."

The same alert will also be displayed in Kannada:

"ತೀವ್ರ ತುರ್ತು ಎಚ್ಚರಿಕೆ
ಭಾರತ ಸರ್ಕಾರವು ತನ್ನ ನಾಗರಿಕರಿಗೆ ತ್ವರಿತ ವಿಪತ್ತು ಎಚ್ಚರಿಕೆ ಸೇವೆಯನ್ನು ಒದಗಿಸಲು ಸ್ವದೇಶಿ ತಂತ್ರಜ್ಞಾನವನ್ನು ಬಳಸಿಕೊಂಡು ಸೆಲ್ ಬ್ರಾಡ್‌ಕಾಸ್ಟ್ ಸೇವೆಯನ್ನು ಪ್ರಾರಂಭಿಸಿದೆ. ಎಚ್ಚರಿಕೆಯ ನಾಗರಿಕರು, ಸುರಕ್ಷಿತ ರಾಷ್ಟ್ರ. ಈ ಸಂದೇಶವನ್ನು ಸ್ವೀಕರಿಸಿದ ನಂತರ ಸಾರ್ವಜನಿಕರು ಯಾವುದೇ ಕ್ರಮ ಕೈಗೊಳ್ಳಬೇಕಾಗಿಲ್ಲ. ಇದು ಪರೀಕ್ಷಾ ಸಂದೇಶವಾಗಿದೆ. - ಭಾರತ ಸರ್ಕಾರ"

The exercise is being carried out by the National Disaster Management Authority (NDMA) along with the Department of Telecommunications and the Centre for Development of Telematics. The agencies are working to strengthen an integrated mobile alert system across the country.

The test uses cell broadcast technology, which allows messages to be sent to multiple phones within a specific area at the same time. Unlike regular SMS, it does not depend on individual phone numbers, making it more reliable during emergencies.

Bengaluru is among the cities included in this phase of testing, so a large number of users are expected to receive the alert.

Officials said the drill is meant to check system performance and improve readiness for real situations such as floods, storms and other emergencies. For now, users only need to note that the alert is a test and no response is required.

The Government of India, specifically the National Disaster Management Authority (NDMA) and the Department of Telecommunications (DoT), is conducting a massive trial of the indigenous Cell Broadcast Alert System.

Why is this happening today?

Official Launch: Today marks the formal launch of this indigenous technology by the Home Ministry.

System Check: Authorities are testing the SACHET platform to ensure it can instantly send life-saving alerts to every mobile phone in a specific area during disasters like floods, earthquakes, or cyclones.

The test is being conducted across Delhi-NCR and the capital cities of all States and Union Territories.

Can You Turn Them Off?

While you can opt out of some alerts, the "Presidential" or "National" level alerts are usually mandatory and cannot be disabled on most devices. For others:

iPhone: Go to Settings > Notifications > Scroll to the bottom to find Emergency Alerts.

Android: Go to Settings > Safety & Emergency (or Search "Wireless Emergency Alerts").

Note: If you are part of a localized test, you might see a toggle specifically for "Test Alerts." These are turned off by default for most people to avoid unnecessary panic.

What to Do During a Test

If the message explicitly says "THIS IS A TEST," you don't need to take any action. It's simply a "pulse check" for the system. However, if the message contains specific instructions without the "test" label, you should follow them immediately.