Quantum Computing — Mains Questions

Discuss the fundamental principles of quantum computing and analyze its potential applications across various sectors. What are the key challenges in realizing its full potential?

Examine the strategic importance of quantum technologies for India, with a special focus on the objectives and institutional framework of the National Mission on Quantum Technologies (NM-QT). How does it address national security concerns?

Distinguish between Quantum Key Distribution (QKD) and Post-Quantum Cryptography (PQC). In light of the 'quantum threat' to current encryption, which approach holds greater promise for widespread adoption and why?