Telcos Navigate Subsea Cable Risks; Centre Asks for Analysis, Fallback Options as War Rages

Telcos Navigate Subsea Cable Risks; Centre Asks for Analysis, Fallback Options as War Rages

ET Telecom (Economic Times)
ET Telecom (Economic Times)Mar 27, 2026

Why It Matters

A breach in these cables would strain financial transactions, e‑commerce and cloud services, jeopardizing India’s digital economy growth. The government’s proactive engagement aims to safeguard critical infrastructure amid heightened geopolitical risk.

Key Takeaways

  • Government requests risk analysis for subsea cable exposure.
  • Strait of Hormuz carries one-third of India's westward traffic.
  • Rerouting via Singapore insufficient; costs rising sharply.
  • New cable projects face delays, threatening $270 bn data‑centre plan.
  • Industry seeks diplomatic talks with Iran to protect infrastructure.

Pulse Analysis

The strategic importance of undersea fiber links cannot be overstated; they form the backbone of global internet traffic and enable real‑time financial flows. India’s reliance on the Hormuz corridor makes it vulnerable to any geopolitical flashpoint in the Middle East, especially as recent threats from Iran have raised the specter of intentional cable cuts. While the country enjoys a degree of network redundancy, the sheer volume of westward traffic—about a third of its total—means that any disruption would reverberate across banking, e‑commerce and cloud platforms.

Beyond immediate service outages, the longer‑term economic stakes are significant. India’s ambitious $270 billion data‑centre roadmap depends on low‑latency, high‑capacity subsea routes to attract hyperscalers like AWS, Google and Microsoft. Rerouting traffic through Singapore or the Pacific adds latency and inflates transit costs, eroding the cost advantage that has driven recent data‑centre investments. Moreover, capacity scarcity has already pushed wholesale bandwidth rates upward, squeezing margins for telecom operators and potentially slowing the rollout of new facilities.

In response, the Department of Telecommunications is coordinating with carriers, cable owners and diplomatic channels to draft contingency frameworks. These include diversifying routing options, pre‑positioning repair assets and seeking bilateral assurances from Iran to keep the Strait open. Industry players are also accelerating the deployment of alternative cables, such as the India‑Europe‑Express and Google’s Dhivaru, to reduce single‑point failures. The combined regulatory push and private‑sector investment aims to fortify India’s digital infrastructure against both geopolitical turbulence and future capacity demands.

Telcos navigate subsea cable risks; Centre asks for analysis, fallback options as war rages

Comments

Want to join the conversation?

Loading comments...