BHISMA INSIGHTS · INDIA
Quantum technology, explained for India’s next chapter.
Practical perspectives on quantum computing, post-quantum cryptography (PQC), AI, and the institutions shaping India’s quantum ecosystem.
QUANTUM TECHNOLOGY IN INDIA · 8 MIN READ
India’s quantum technology opportunity is bigger than quantum computing.
Quantum computing is only one part of the quantum technology landscape. The field also includes quantum communication, quantum sensing and metrology, and quantum materials and devices. Each area has a different route from laboratory research to useful capability.
For India, this distinction matters. Quantum sensors may improve timing, navigation and measurement; quantum communication can advance secure networking research; and quantum materials and devices underpin the hardware supply chain. The strongest ecosystem will connect research, engineering, manufacturing, standards, talent and responsible deployment.
India’s National Quantum Mission (NQM) formalises this broad view through four thematic hubs: quantum computing at IISc Bengaluru, quantum communication at IIT Madras with C-DOT, quantum sensing and metrology at IIT Bombay, and quantum materials and devices at IIT Delhi. The official NQM page describes a mission running from 2023–24 to 2030–31 with a ₹6,003.65 crore outlay and research, innovation and ecosystem-building objectives.
Source: Department of Science & Technology — National Quantum Mission.
POST-QUANTUM CRYPTOGRAPHY · 7 MIN READ
PQC in plain language: preparing digital trust for the quantum era.
Post-quantum cryptography is not quantum computing. It is a family of cryptographic approaches designed to run on conventional hardware while resisting attacks expected from sufficiently capable quantum computers. Its immediate value is planning: mapping where public-key cryptography lives in products, networks, certificates, firmware updates and supplier dependencies.
The relevant risk is often described as “harvest now, decrypt later.” Information captured today may remain sensitive long enough that future advances matter. That does not mean every system needs an overnight replacement. It means organisations should identify long-lived data, high-consequence systems and difficult-to-upgrade devices, then build crypto-agility into their roadmaps.
For Indian technology teams, PQC work can begin with a cryptographic inventory, ownership of each dependency, testing paths for new algorithms, and clear migration criteria. This is an engineering and governance exercise as much as a security exercise.
NATIONAL QUANTUM MISSION · 6 MIN READ
What the National Quantum Mission means for India’s quantum ecosystem.
NQM is India’s national programme to seed, nurture and scale scientific and industrial research and development in quantum technology. It brings four technology domains under a shared national framework: computing, communication, sensing and metrology, and materials and devices.
The mission matters because quantum capability is not created by a single device or a single company. It depends on experimental facilities, component supply chains, software, theoretical science, test infrastructure, trained people, startups and buyers that can evaluate a new technology responsibly. NQM’s hub-and-network model is intended to help coordinate those strengths across institutions.
For startups and industry, the useful question is not simply “when will a quantum computer arrive?” It is where a company can contribute now: sensing, photonics, cryogenic and control systems, quantum-safe cybersecurity, software tools, education, validation, and integration with real-world systems.
Source: DST — NQM thematic hubs.
QUANTUM-READY SYSTEMS · 5 MIN READ
From quantum headlines to quantum-ready engineering.
A quantum-ready system is one that can absorb change without rebuilding its trust model from scratch. In cybersecurity, this often means crypto-agility: the ability to identify, update and govern cryptographic algorithms, keys, certificates and protocols over a system’s life.
AI and secure edge computing can complement this goal. Embedded intelligence can help a system observe conditions and make timely decisions locally; modern cryptographic design protects identity, software updates and communications. The technologies solve different problems, but they meet in systems that need resilience under evolving threats.
India’s quantum work will be strongest when it combines frontier science with careful systems engineering. Responsible claims, interoperable designs, skilled teams and measurable security outcomes will matter as much as ambitious research milestones.