Relevance: GS-3 (Disaster Management, Science & Technology) | Source: The Indian Express

1. What is the News?

Smartphone users across India recently experienced a sudden, loud beeping sound and a flash message reading “extremely severe alert.” This was the government officially testing its new mass emergency alert system. This indigenous system is designed to instantly warn citizens during sudden disasters like cyclones, earthquakes, or flash floods.

2. The Core Concept: What is ‘Cell Broadcast’?

Instead of sending traditional text messages (SMS) one by one, the government is using a technology called Cell Broadcast.

• How it works: A mobile telecom tower acts like a radio station. It simply broadcasts a single warning message to all the mobile phones present within its geographic coverage area at the exact same time.

3. The Administrative Edge: Why is it better than SMS?

For an administrator managing a disaster, this technology solves critical communication failures:

• Bypasses Network Jams: During a disaster, citizens panic and call their families, which instantly jams the mobile network. Regular SMS gets delayed or fails. Cell broadcast cuts through this traffic jam and delivers the message instantly.
• Overrides ‘Silent’ Mode: Even if a citizen’s phone is on ‘Silent’ or ‘Do Not Disturb’ (DND), this alert forces the phone to ring loudly and vibrate so the life-saving warning is not missed.
• 100% Privacy Protection: The government does not need to know a citizen’s mobile number, name, or exact GPS location to send the alert. It just broadcasts to the airwaves, and the phone picks it up.
• Protects the “Floating Population”: If a tourist from another state or country accidentally enters a danger zone, their phone will automatically catch the local tower’s warning signal without needing any special app.

4. Why India Needs This Now (Significance)

• Climate Change Reality: With sudden, localized climate disasters (like the Himalayan flash floods or landslides) increasing, saving lives depends entirely on how fast the government can warn the common man.
• Sendai Framework: By launching this, India is actively fulfilling its global commitment under the Sendai Framework (2015-2030), which specifically asks member nations to build strong, multi-hazard “Early Warning Systems.”

UPSC Value Box 

• NDMA (National Disaster Management Authority): The apex nodal body working under the Ministry of Home Affairs (MHA). It formulates policies and acts as the authority issuing these public safety alerts.
• C-DOT (Centre for Development of Telematics): The government telecom R&D agency (under the Department of Telecommunications) that indigenously developed this broadcast technology for India.
• CAP (Common Alerting Protocol): A standard international format. It ensures that disaster warnings are compatible and look the same whether they are sent to mobile phones, digital billboards, or TV screens.

With reference to the newly implemented emergency ‘Cell Broadcast’ alert system in India, consider the following statements:

1. The technology relies on the centralized collection of citizens’ mobile numbers to send targeted disaster warnings via SMS.
2. The system can bypass mobile network congestion and deliver an audible alert even if the user’s device is placed on ‘Silent’ mode.
3. The Centre for Development of Telematics (C-DOT) is the primary agency responsible for indigenously developing this technology.

Which of the statements given above is/are correct? (a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3

Correct Answer: (b)