India's National Quantum Mission Crosses 1,000 km Quantum Communication Milestone Ahead of Schedule

Source: Press Release Page | Press Information Bureau  

India has achieved a significant milestone in quantum key distribution (QKD), completing one of the longest deployments globally. As part of the National Quantum Mission (NQM), a 1,000 km quantum communication network has been successfully demonstrated. This accomplishment fulfils half of the mission's eight-year goal of 2,000 km, and it was achieved within a mere three years.  

The achievement was officially acknowledged on April 8, 2026, during a review overseen by Union Minister for Science and Technology, Dr. Jitendra Singh. The DST Secretary, Dr. Abhay Karandikar called the development a major leap forward in secure quantum communication, noting that the advancements were achieved well ahead of the anticipated timelines.

The network was constructed using indigenous technology developed by QNu Labs, a Bengaluru-based quantum cybersecurity startup incubated at IIT Madras Research Park and supported under the NQM since its launch in October 2024. The deployment leverages existing optical fibre infrastructure and is engineered to operate effectively in demanding environments such as underwater and underground networks, with applications spanning defence, banking, critical infrastructure, and civilian communications.  

In addition to this achievement, the government increased NQM startup support from eight to seventeen ventures. The nine newly backed startups cover quantum biosensors, photon sensing, quantum positioning systems, atomic memory, and precision electronics, strengthening India's commitment to developing a self-reliant quantum ecosystem. The review further highlighted a growing trend of industry participation in government-sponsored research and development initiatives; the Technology Development Board, for instance, evaluated over 100 proposals, while BIRAC received close to 200 biotech applications. Furthermore, novel financial mechanisms, such as optionally convertible debt, are being employed to support deep-tech startups, thereby circumventing the need for immediate equity dilution. In the context of nations and enterprises contemplating quantum-safe migration schedules, India's position is unequivocal: its sovereign quantum communication infrastructure is currently operational, expanding swiftly, and entirely reliant on domestically developed technology.

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