India’s nuclear power ambitions rest heavily on a reliable supply of uranium. As the country aims to expand capacity from the current roughly 8.7 gigawatts to 100 gigawatts by 2047, the question of fuel security has moved to the centre of policy discussions. A recent Parliamentary panel report has sharply highlighted the gap between domestic production and future requirements, underlining why accelerated uranium mining at home is essential even as the long-term strategy points toward thorium.
Why Uranium Remains Critical Today
India’s indigenous Pressurised Heavy Water Reactors form the backbone of the current nuclear fleet. These reactors run on natural uranium. Every unit of electricity they generate depends on a steady supply of uranium oxide, commonly known as yellowcake. The Nuclear Fuel Complex fabricates fuel assemblies using concentrate supplied either by the Uranium Corporation of India Limited or through government-arranged imports.
With plans for significant PHWR capacity addition, annual uranium oxide requirement for this segment alone could rise to around 5,400 tonnes once roughly 25 gigawatts of such reactors are operational. At present, domestic output meets only about 30 percent of this projected baseline. The remaining demand must be met through imports. This dependence introduces strategic vulnerability, especially when global uranium markets face supply constraints or geopolitical disruptions.
Uranium is therefore not merely a technical input; it is the enabling resource for the first stage of India’s carefully designed three-stage nuclear programme. Without adequate uranium, the subsequent stages that rely on plutonium and eventually thorium cannot be scaled at the required pace.
Domestic Resources Versus Import Dependence
India is not without uranium resources. The Atomic Minerals Directorate for Exploration and Research has established approximately 4.31 lakh tonnes of uranium oxide resources across the country. Of the quantity transferred so far to UCIL for mining—around 80,423 tonnes—nearly 39 percent has already been depleted. At current production rates, the remaining transferred reserves could last about four decades if no fresh resources are brought into production.
Despite these numbers, actual mine output remains limited. Domestic ores are generally low-grade, which raises extraction costs and makes some deposits economically challenging compared with imported material. Existing mines in Jharkhand, such as those around Jaduguda and Turamdih, and the Tummalapalle deposit in Andhra Pradesh form the core of current production. Expansion into new areas in Rajasthan, Chhattisgarh and additional sites in Jharkhand and Andhra Pradesh is under way, yet the timeline for meaningful increases stretches toward the mid-2030s.
As a result, India continues to import uranium from Kazakhstan, Russia, Uzbekistan and Canada. The long-term contract with Uzbekistan is valid only until 2026, after which fresh arrangements will be needed. This pattern of reliance persists even though the country possesses identified resources, because the gap between resource identification and actual mine production remains wide.
The Three-Stage Path and the Thorium Horizon
India’s nuclear roadmap, conceived decades ago, anticipates a gradual transition away from imported uranium. In the first stage, PHWRs fuelled by natural uranium generate electricity and produce plutonium as a by-product. In the second stage, this plutonium is used in Fast Breeder Reactors, which can breed more fissile material than they consume and simultaneously irradiate thorium to produce uranium-233. The third stage envisages reactors that use uranium-233 and thorium as the primary fuel cycle, unlocking the country’s vast thorium reserves—estimated at roughly a quarter of the global total and concentrated in coastal monazite sands.
The Prototype Fast Breeder Reactor at Kalpakkam achieving criticality marked an important milestone in the second stage. Yet the commercial deployment of a self-sustaining thorium cycle remains years, if not decades, away. In the intervening period, the rapid expansion of PHWR capacity required to meet near-term targets will continue to demand large volumes of uranium. Domestic mining therefore serves as the bridge that reduces strategic exposure while the longer-term thorium pathway matures.
Key Recommendations of the Parliamentary Panel
The Committee on Public Undertakings has examined these issues in detail and offered concrete suggestions. It has called for a clear policy roadmap to enable Mine Developer-cum-Operator participation in uranium mining, while insisting that any such involvement remain under the strict oversight of the Department of Atomic Energy. An MDO arrangement would allow specialised contractors to develop and operate mines on behalf of the public-sector owner, potentially accelerating project execution.
The panel has urged UCIL to upgrade existing mines and mills, expand brownfield capacity at key sites including Turamdih, Jaduguda and Tummalapalle, and hasten the development of new mining centres in Rajasthan and Andhra Pradesh. It has also recommended greater adoption of advanced exploration techniques, sensor-based ore sorting, mine automation and improved beneficiation processes to raise ore grades and lower costs.
On the regulatory front, the committee has advocated time-bound single-window clearances that integrate central and state approvals, provisions for contiguous lease extensions when ore bodies extend beyond existing boundaries, and a coordinated framework for land acquisition, rehabilitation and water supply. It has further sought updates on the proposed UCIL–NTPC joint venture aimed at securing overseas uranium assets and a comprehensive report from the Department of Atomic Energy on future fuel-sourcing strategies.
Securing the Fuel Foundation
The Parliamentary panel’s findings make one point unmistakable: India’s nuclear expansion cannot rest indefinitely on imported uranium. Domestic production must rise substantially and on a compressed timeline if the country is to maintain fuel assurance while building the plutonium inventory needed for the second stage and preparing the ground for thorium utilisation.
Accelerating exploration, modernising mining practices, streamlining clearances and exploring carefully regulated private participation under public oversight are practical steps toward that goal. Uranium mining is not an end in itself. It is the necessary foundation that allows India to move confidently from the uranium-dependent present toward a more self-reliant nuclear future powered by its abundant thorium resources.
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