India’s Quantum Bet Pays Early with 1,000-km Communication Breakthrough
The milestone puts India halfway to its 2,000-km target set for eight years, signaling accelerated progress.
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India’s ambitions in quantum communication are moving faster than expected. Under the National Quantum Mission, the country has successfully demonstrated a 1,000-km quantum communication network, one of the longest globally, within less than two years of the mission’s launch.
The milestone puts India halfway to its 2,000-km target set for eight years, signaling accelerated progress, Union Minister for Science & Technology Jitendra Singh was informed during a review of the Department of Science and Technology (DST) on Wednesday.
The network was built using indigenous technology developed by QNu Labs, a startup backed under the mission and focused on quantum-safe cybersecurity.
Officials described the achievement as a “landmark advancement,” noting that it outpaces initial timelines and strengthens India’s position in secure quantum communication.
At its core, the network uses quantum key distribution (QKD)—a technology designed to make communication virtually tamper-proof. The deployment is expected to bolster secure communications across defense, banking, and critical infrastructure, with the added ability to function across challenging terrains, including underwater and underground networks.
Sunil Gupta, co-founder and CEO of QNu Labs, framed the milestone as both strategic and symbolic.
“The National Quantum Mission set a target of 2,000 km over 8 years. We’re halfway there in under three,” he shared on LinkedIn.
He added that the company is now among a handful globally to deploy QKD at this scale, and the only one doing so indigenously for India’s strategic and civilian infrastructure.
“We are not catching up. We are setting the pace. India’s quantum future is being written, and we hold the pen. We did a 500 km inter-city QKD Network in Nov 2025 and a 1000 km QKD network in March 2026. Next milestone – 2000 KM may be by the end of this year.”
The quantum push is also expanding beyond infrastructure. The government has added nine more startups under the mission, taking the total to 17, to accelerate work across quantum computing, sensing, communications, and materials. These include efforts in quantum biosensors, photon sensing, atomic memory, and precision electronics, signaling a broader ecosystem build-out.
Parallelly, interest in deep-tech funding is rising. Under the R&D funding framework, the Technology Development Board has received 100+ proposals in two months, while the Biotechnology Industry Research Assistance Council has received nearly 200 applications spanning cancer research, gene therapy, and biomanufacturing.
To attract both startups and private capital, the government is also deploying new financial instruments, such as optionally convertible debt (OCD), to support innovation without immediate equity dilution.
The milestone comes as India sharpens its focus on deep-tech sovereignty, with quantum technologies emerging as a strategic pillar alongside 6G, advanced manufacturing, space tech, and biotechnology.
