Raisina Wire

Water security · Infrastructure

India’s Secret Himalayan Tunnel: The Underground Strategy to Dismantle Pakistan’s Water Lifeline

The Himalayan rivers as strategy, and what it means for Pakistan’s most vital lifeline.

India is currently executing a multi-front strategy to assert its dominance in South Asia, shifting from kinetic military strikes to a sophisticated “silent revenge” through hydrological control. This strategy involves an ambitious, secret mountain tunnel system designed to redirect the flow of the Indus River system, effectively utilizing India’s share of water while threatening the existential stability of Pakistan.

The Secret Mountain Project: Engineering a New Geography

At the centre of this geopolitical manoeuvre is a 14-km secret tunnel that will link the Indus River directly to the Beas River. This project, conceived under the Inter-Basin Indus Water Transfer Scheme, is being monitored at the highest levels of the Indian government to ensure completion before the 2029 Lok Sabha elections.

  • Technological Marvel: To navigate the treacherous Himalayan terrain, India is utilizing advanced Tunnel Boring Machines (TBM) and rock shield technology. If the mountain rocks are found to be too weak during the final project report (DPR) phase—currently being prepared by the firm L&T—the tunnel will be reinforced through specialized piping.
  • The Underground Network: Beyond the primary 14-km link, reports indicate the construction of up to 12 big tunnels under the mountains to facilitate a massive redistribution of water.
  • Cost and Scale: This underground infrastructure is estimated to cost between ₹4,000 and ₹5,000 crore and is designed to integrate the Ujh Multipurpose Project, allowing water from the Ujh River (a tributary of the Ravi) to flow into the Beas Basin.

The 113-Km Canal and the “Water Warfare” Strategy

The secret tunnels are only one part of a larger network. India is also planning a 113-km long canal to redirect surplus flow from the Western rivers (Indus, Jhelum, and Chenab) toward Punjab, Haryana, and Rajasthan.

  • 1. Connecting the Basins: This canal aims to link the Chenab River with the Ravi-Beas-Sutlej system, ensuring that India utilizes 100% of its allocated share.
  • 2. The 200-Km Extension: There is a proposal to extend this system to the Yamuna River, creating a 200-km “Indus-Yamuna Link Super Canal” that would revitalize the Yamuna and provide clean drinking water to Delhi.
  • 3. National Security Trigger: This aggressive stance follows the April 22 Pahalgam terror attack, which led India to suspend the 1960 Indus Waters Treaty (IWT). The Indian government has adopted the firm stance that “water and blood cannot flow together,” effectively holding Pakistan’s water supply hostage to its support for cross-border terrorism.

The Impact: Why This “Kills” Pakistan

Pakistan refers to the Indus system as its “blood veins” because 80% of its farmland (16 million hectares) and the majority of its electricity generation depend on these rivers.

  • Agricultural Collapse: Analysts suggest the secret tunnels and canal diversions could reduce the flow of the Chenab by 40% and the Indus by 30%. This would lead to rapid desertification, crop failure for wheat and cotton, and massive food shortages.
  • Economic Ruin: With 25% of its economy tied to agriculture and major cities like Karachi and Lahore dependent on this water for drinking and power, the redirection of these rivers could cause the Pakistani state to collapse from within.

The Military Context: What if Operation Sindoor Hadn’t Ceased?

The “water warfare” strategy is the successor to Operation Sindoor, a military campaign where India used BrahMos supersonic cruise missiles and Rafale jets to strike targets inside Pakistan with an accuracy of less than 3 meters.

  • The 48-Hour Window: Sources suggest that during Operation Sindoor, India successfully damaged four major Pakistani air bases, while Pakistan’s retaliatory strikes failed to hit a single Indian runway. Experts believe that if the ceasefire—reportedly brokered by US President Donald Trump—had not occurred, India could have crippled the entire Pakistan Air Force (PAF) within another 48 hours.
  • Territorial Gains: Without a ceasefire, India was in a position to potentially regain Pakistan Occupied Kashmir (PoK), as the myth of Pakistan’s military parity would have been shattered.

Instead of pursuing a total conventional war, India has opted for this secret tunnel and canal project, punishing Pakistan through resource control—a move that achieves strategic goals “without firing a single bullet”. Pakistan has labelled this “water warfare,” but India maintains that the treaty will only be restored once Islamabad ends terrorism “credibly and irrevocably”

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