• The detailed project report for a National Mission on Quantum Technology and Applications (NMQTA) has been drawn out and finalised.
  • Union Budget 2020-21 proposed to spend Rs 8,000 crore on the newly launched NMQTA.
  • In 2018, the Department of Science & Technology unveiled a programme called Quantum-Enabled Science & Technology (QuEST) and committed to investing Rs. 80 crore over the next three years to accelerate research.
  • The mission seeks to develop quantum computing linked technologies amidst the second quantum revolution and make India the world’s third-biggest nation in the sector after the US and China.


  • About Quantum Technology/Computing:
    • Quantum Technology is based on the principles of Quantum mechanics that was developed in the early 20th century to describe nature at the scale of atoms and elementary particles.
    • The first phase of this revolutionary technology has provided the foundations of our understanding of the physical world, including the interaction of light and matter, and led to ubiquitous inventions such as lasers and semiconductor transistors.
    • A second revolution is currently underway with the goal of putting properties of quantum mechanics in the realms of computing.
  • Difference Between Conventional and Quantum Computing:
    • Conventional computers process information in ‘bits’ or 1s and 0s, following classical physics under which our computers can process a ‘1’ or a ‘0’ at a time.
    • Quantum computers compute in ‘qubits’ (or quantum bits). They exploit the properties of quantum mechanics, the science that governs how matter behaves on the atomic scale.

      • In this scheme of things, processors can be a 1 and a 0 simultaneously, a state called quantum superposition.


  • Secure Communication:
    • China recently demonstrated secure quantum communication links between terrestrial stations and satellites. (Can be a good introduction)
    • This area is significant to satellites, military and cyber security among others as it promises unimaginably fast computing and safe, unhackable satellite communication to its users.
  • Research:
    • It can help in solving some of the fundamental questions in physics related to gravity, black hole etc.
    • Similarly, the quantum initiative could give a big boost to the Genome India project, a collaborative effort of 20 institutions to enable new efficiencies in life sciences, agriculture and medicine.
  • Disaster Management:
    • Tsunamisdroughtearthquakes and floods may become more predictable with quantum applications.
    • The collection of data regarding climate change can be streamlined in a better way through quantum technology.
  • Pharmaceutical:
    • Quantum computing could reduce the time frame of the discovery of new molecules and related processes to a few days from the present 10-year slog that scientists put in.
  • Augmenting Industrial revolution 4.0:
    • Quantum computing is an integral part of Industrial revolution 4.0.
    • Success in it will help in Strategic initiatives aimed at leveraging other Industrial revolution 4.0 technologies like the Internet-of-Things, machine learning, robotics, and artificial intelligence across sectors will further help in laying the foundation of the Knowledge economy.
  • Challenges Associated with Quantum Computing:
    • The dark side of quantum computing is the disruptive effect that it can have on cryptographic encryption, which secures communications and computers.
    • It might pose a challenge for the government also because if this technology goes into wrong hands, all the government’s official and confidential data will be at a risk of being hacked and misused.


  • Long after the birth of social media and artificial intelligence, there are now demands to regulate them. It would be prudent to develop a regulatory framework for quantum computing before it becomes widely available.
  • It will be better to regulate it or define the limits of its legitimate use, nationally and internationally before the problem gets out of hand like nuclear technology.

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