INDIA-US TECH TIES & SUBSEA CABLE

In short

Context: India–US tech ties deepen under the TRUST framework, building on iCET

Goal: Secure digital infrastructure & supply chain de-risking in the Indo-Pacific

Strategic Context : 

  • India and the US are accelerating cooperation across trade, digital technologies, and supply chain resilience.
  • A new framework – TRUST (Technology for Resilient, Open and Unified Security and Trust) – is being developed, succeeding the earlier iCET (Initiative on Critical & Emerging Technologies).
  • A bilateral trade agreement is expected ahead of the Quad Summit hosted in India later this year.

Focus on Subsea Cable Infrastructure :

  • Subsea cables carry 95%+ of global internet data and are now seen as critical digital infrastructure.
  • China’s Digital Silk Road has rapidly expanded its subsea network, prompting India–US collaboration to ensure trusted, secure digital pathways.

India’s Current Subsea Landscape :

  • India hosts 17 subsea cables, compared to Singapore’s 26, despite India’s larger size and digital economy.
  • Most cable landing stations are concentrated in five cities (Mumbai, Chennai, Kochi, Tuticorin, Thiruvananthapuram).

Problem: Overconcentration → high risk from disruptions (e.g., natural disasters, cyber sabotage, like the 2024 Red Sea cable damage by Houthi rebels).

Bandwidth demand projected to grow 38% (2021–2028)

India’s Strategic Advantage :

Located near major maritime chokepoints:

  • Strait of Hormuz, Bab-el-Mandeb, Strait of Malacca
  • Potential to become a digital transit hub for Africa–Asia and Europe–Asia traffic 

Barriers to Growth : 

  • Subsea cable deployment needs 50+ clearances across ministries
  • India lacks domestic cable repair vessels and depends on foreign-flagged ships (often based in Singapore or Dubai)
  • Delays of 3–5 months for cable repair due to slow clearance processes

Role of the US :

  • Support with concessional finance, technical assistance, and anchor investments
  • Example: Meta’s 50,000 km Indian Ocean cable project (announced in Feb 2025 India–US Joint Leaders’ Statement)

Proposal to strengthen India’s domestic cable repair ecosystem under TRUST framework

SUBSEA CABLESWhat Are Subsea (Submarine) Cables?
Definition: Submarine cables are fibre-optic cables laid on the ocean floor that enable global internet and telecommunications connectivity.
Scale: As of early 2025, there are 600+ active and planned cables, spanning over 1.48 million kilometres worldwide.
How Do They Work?
Fibre-Optic Technology:
Data is transmitted as light pulses through ultra-thin glass fibres, using high-speed lasers.
Signal Reception: At the receiving end, photo detectors decode the light signals into digital data (internet, voice, video).
Seabed Installation: Near coastlines: cables are buried underground to prevent damageIn deep sea: they are laid directly on the seabed
Routing Strategy: Cables are mapped to avoid seismic fault lines, shipping lanes, fishing zones, and anchor points to reduce risk of disruption.
Transmission Capacity: Each cable can transmit hundreds of terabits per second (Tbps), powering high-speed global data flow.

UPSC Relevance 
GS2 – International RelationsIndia–US strategic tech partnership, QUAD dynamics, and digital geopolitics, Role of India as a net security provider in the Indo-Pacific
GS3 – Science & Technology / InfrastructureImportance of critical digital infrastructure (subsea cables, data centres), Supply chain de-risking, cybersecurity, and digital sovereignty
Possible Mains Question
“Subsea cables are the silent backbone of the global internet. Discuss India’s potential and challenges in becoming a digital connectivity hub in the Indo-Pacific.

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