QNu Labs Demonstrates India’s 1st 500 km Quantum-Safe Network Under National Quantum Mission

QNu Labs announced India's first and one of the world's most extensive Quantum Key Distribution networks spanning 500 kilometres over existing optical fibre infrastructure using entirely indigenous and patented technology. Unveiled at the Emerging Science, Technology and Innovation Conclave 2025 in Bengaluru, in the presence of Dr. Jitendra Singh, Prof. Ajay K. Sood, and senior Indian Army officials, the network was engineered by the Army's Southern Command Signals unit, which deployed a dedicated test-bed optical fibre network in Rajasthan incorporating multiple trusted nodes for end-to-end quantum key exchange. Supported through the I-Hub Quantum Technology Foundation at IISER Pune and funded under the National Quantum Mission, the deployment achieved a 60% improvement in infrastructure efficiency compared to conventional approaches. Prime Minister Narendra Modi was also presented with QNu's Tropos QRNG System-in-Package India's first quantum random number generator in small chip format. The 500-km network serves as the backbone for India's national quantum security infrastructure and enables scalable expansion to inter-city, inter-state, and nationwide mesh networks across defence, government, BFSI, telecommunications, and critical infrastructure sectors.

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