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| Relevance: GS-III (Infrastructure: IT, Telecom); GS-II (International Relations) | Source: Digital Infrastructure Updates, August 2026 |
1 · Context
| Did you know that 99% of our global internet does not come from satellites, but through thick cables lying on the ocean floor? Historically, Mumbai and Chennai have been India’s main digital doorways. However, these older cables are filling up quickly, and traditional sea routes (like the Red Sea) are facing severe war-like tensions. To ensure India’s internet never drops, tech giants like Google and Microsoft are building massive, backup undersea cables and green AI data centres right on the coast of Andhra Pradesh. By 2029, this state will act as India’s third major internet gateway. |
2 · Securing the Internet
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Step 1: The Traffic Jam
Existing undersea cables on India’s east coast are 8 to 15 years old. They are simply running out of space for our growing data needs. |
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Step 2: The War Risk
Conflicts in the Middle East mean we cannot rely on just one sea route. We urgently need a backup plan to ensure we stay online during crises. |
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Step 3: The New Gateway
Companies are bringing brand new cables direct from America and Singapore to land on the beaches of Visakhapatnam and Machilipatnam. |
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Step 4: The Land Bridge
To carry this massive new data, companies are safely laying optical fibre on top of existing electric poles to reach cities like Hyderabad and Mumbai. |
3 · Key Digital Terms
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Subsea Cables
The Deep Sea Web
Thick optical wires resting on the ocean floor. They physically connect continents and carry almost all of our international calls and financial data.
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AI Inference
Smart Computing
“Training” an AI model consumes massive electricity. “Inference” means running an already-trained AI for daily tasks, which saves energy. Google’s new centre focuses on this.
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Geopolitical De-risking
The Backup Plan
Building alternate internet routes. If a war or natural disaster breaks a main cable in the Middle East, India’s digital economy will not shut down.
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Terrestrial Backhaul
The Inland Highway
A subsea cable ends at the beach. Terrestrial backhaul is the land-based cable network that takes that data from the shore straight into our smartphones.
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| Prelims Quick Facts: Policies & Security | ||||||||
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| MCQ Practice Question |
Q. With reference to India’s digital infrastructure, consider the following statements:
Which of the statements given above is/are correct? |
Answer: (b) 1 and 3 only
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