# India Advances Deep-Sea Mining Technology for Critical Mineral Security

India develops specialized subsea equipment while navigating global debates over ocean floor mining.

- **Source:** [Climate Home News](https://www.climatechangenews.com)
- **Published:** 2026-11-04
- **Topic:** [science](https://brifing.si/c/science)
- **Original article:** <https://www.climatechangenews.com/2026/11/04/india-builds-deep-sea-capacity-in-bet-on-critical-minerals-future/>
- **On Brifing:** https://brifing.si/s/8f219a08-e155-472b-b06a-7b76b33fbcae

## Technological Foundation in Chennai

Scientists at India’s ocean technology institute in Chennai are engineering advanced mining equipment capable of operating at depths of five to six kilometers. The prototype suite includes remote-control submarines, seabed soil testers, and specialized slurry pumps. These tools aim to establish the technical infrastructure required for future mineral extraction from the ocean floor.

## Strategic ISA Exploration Contracts

India currently holds three exploration contracts with the International Seabed Authority, placing it alongside China and South Korea in state-controlled deep-sea activity. These contracts cover polymetallic nodules in the Central Indian Ocean Basin and polymetallic sulphides. These minerals are essential components for clean energy technologies, including wind turbines and high-capacity storage batteries.

## Global Opposition and Moratoriums

A coalition of 46 nations is currently advocating for a moratorium on deep-sea mining, citing the need for further scientific evidence regarding ecosystem impacts. Marine scientists warn that the ocean floor remains a poorly understood environment. Critics argue that habitat destruction and sediment plumes could cause irreversible damage to biodiversity before extraction begins.

## Mapping the Ocean Floor

Over the past two decades, India has conducted extensive survey work across a 75,000-square-kilometer area in the Central Indian Ocean Basin. Government estimates suggest this region contains hundreds of millions of tonnes of polymetallic nodule resources. Recent efforts have also identified several potential locations within the polymetallic sulphide areas for future mineral assessment.

## Regulatory Hurdles at ISA

Negotiations regarding the Mining Code remain stalled as the International Seabed Authority failed to adopt commercial rules during recent meetings in Jamaica. Delegates continue to work on a roadmap to resolve outstanding issues. Without a finalized regulatory framework, commercial-scale mining operations remain a distant prospect for all current contract-holding nations.

## Exploratory Phase Realities

Experts like Pradeep Singh from the Oceano Azul Foundation emphasize that India’s program remains firmly in an exploratory phase. Significant operational challenges persist, including the need for shipboard processing, trans-shipment logistics, and onshore refining capabilities. Publicly available information suggests that no current program is prepared to transition into the exploitation phase anytime soon.

## Dominance and Resource Security

Government officials state that India’s long-term vision focuses on indigenous technology development and industrial readiness. Analysts suggest that securing these exploratory licenses serves as a projection of national dominance and real estate acquisition. The current global competition prioritizes investing in deep-sea operational capabilities rather than immediate, commercially unviable mineral extraction from the seabed.

## Biodiversity and Ecological Risks

Research by Dr. Rengaiyan Periasamy has led to the discovery of over ten new species on Indian Ocean ridges. Environmental groups warn that mining activities could disrupt ecosystem processes throughout the water column. As scientific understanding of these deep-sea environments remains limited, the potential for severe impacts on major fisheries remains a concern.

## Sources covering this story

- https://www.climatechangenews.com/2026/11/04/india-builds-deep-sea-capacity-in-bet-on-critical-minerals-future/ — 

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_Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._
