India’s First 500 km Quantum-Safe Network

Recently, a Bengaluru-based startup, QNu Labs Pvt. Ltd., supported under the National Quantum Mission (NQM) of the Department of Science and Technology (DST), has successfully demonstrated India’s first large-scale Quantum Key Distribution (QKD) network spanning over 500 km.

  • The quantum-secure network was deployed over existing optical fibre infrastructure, marking a major milestone for India’s cybersecurity and quantum communication ecosystem.
  • The Indian Army’s Southern Command played a key role by planning a test-bed fibre network in the Rajasthan Sector, enabling selective access to multiple nodes — including trusted relay nodes — to achieve end-to-end quantum key exchange across the 500+ km link.
  • The achievement ....
Do You Want to Read More?
Subscribe Now
To get access to detailed content
Buy January 2026 Issue

Already a Member? Login here

Take Annual Subscription and get the following Advantage
The annual members of the Civil Services Chronicle can read the monthly content of the magazine as well as the Chronicle magazine archives.
Readers can study all the material before the last six months of the Civil Services Chronicle monthly issue in the form of Chronicle magazine archives.
Be an Annual Subscriber

Related Content