DRDO has collaborated with Rajasthan-based startup Zero mK India to develop 20 mK dilution refrigerators, critical for quantum computing. This project is the first to be funded from a ₹500 crore defense technology corpus. The initiative aims to reduce India's reliance on high-cost imported cryogenic hardware for advanced research and national security applications.
The Defence Research and Development Organisation (DRDO) has signed an agreement with Rajasthan-based Zero mK India Private Ltd to manufacture indigenous dilution refrigerators. These systems are essential for quantum computing, as they are capable of cooling hardware to 20 millikelvin (20 mK), a temperature range required to stabilize quantum states. This collaboration marks the first major deployment of funds from a broader ₹500 crore government corpus authorized by the Ministry of Defence to promote innovation in deep-tech and defense sectors.
Scaling Domestic Quantum Technology
Currently, India relies heavily on international suppliers for cryogenic infrastructure, which is a major bottleneck for advanced research and quantum development. By localizing the production of these dilution refrigerators, the government aims to create a self-reliant supply chain. The Solid State Physics Laboratory (SSPL), a DRDO laboratory, will provide technical mentorship to the startup throughout the development process. The project is funded through the Technology Development Fund (TDF) scheme, which is designed to help Indian startups and companies tackle complex engineering challenges that are often too risky for commercial entities to undertake alone.
Strategic Importance and Execution Risks
The move is part of the broader National Quantum Mission, which prioritizes the development of indigenous computing power and security. For the broader defense and deep-tech sector, this signals a shift toward nurturing domestic hardware capabilities rather than just software solutions. However, engineering 20 mK dilution refrigerators is a highly specialized task involving advanced materials and precision manufacturing. While the partnership aims to lower procurement costs over the long term, investors and analysts typically monitor such projects for potential execution delays, given the significant technical difficulty of manufacturing cryogenic equipment that meets global quality standards.
Investors in the Indian defense and deep-tech ecosystem may find this project significant as it demonstrates the government's active role in de-risking the supply chain. The successful development of these refrigerators would establish a new domestic production capacity for a market currently dominated by a few international manufacturers. The key monitorable for the coming quarters will be the project timeline and whether the startup can successfully move from the prototype phase to a functional, reliable product that meets the stringent requirements of quantum research laboratories.