What is the common examiner trap about Science & Tech in UPSC exams?

They may confuse Post-Quantum Cryptography (software-based, for conventional computers) with Quantum Key Distribution (hardware-based, uses quantum principles). They might also swap the threat timeline ('Q-Day' expected ~2029) with the year PQC standards were finalized (2024).

What should UPSC aspirants remember about Science & Tech for Prelims?

1. Target this Data: ₹5,000 crore recommended budget for migration. 2. Target this Nodal Body: Department of Science & Technology (DST) Task Force. 3. Target this Concept: 'Harvest now, decrypt later' threat to encrypted data.

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News 25 of 27

DST Task Force Recommends ₹5,000 Cr Post-Quantum Cryptography Migration by 2029 to Secure National Digital Infrastructure

Q: Which government department constituted the Task Force that issued the report on making India's digital ecosystems quantum-safe?

Department of Science & Technology, The article explicitly mentions the 'DST Task Force report', where DST stands for the Department of Science & Technology. This department is responsible for promoting science and technology in the country.

Q: Consider the following statements regarding the DST Task Force report on quantum-safe digital ecosystems: 1. It warns that symmetric cryptography, like AES encryption, is the primary component threatened by the advent of quantum computers. 2. It recommends the adoption of Post-Quantum Cryptography (PQC) standards that were finalized in the year 2024. 3. The report mentions that 'Q-Day', when quantum computers practically endanger public-key cryptography, is expected by 2029. Which of the statements given above is/are correct?

Both 2 and 3, Statement 1 is incorrect. The article states that symmetric cryptography (AES) is 'less threatened', and the existential exposure is concentrated in public-key infrastructure. Statements 2 and 3 are directly mentioned in the article as key recommendations and projections of the report.

Q: According to the DST Task Force report, what is the minimum new budgetary allocation recommended for India's transition to quantum-safe systems?

₹5,000 crore, The article explicitly states that for India, the transition 'means a new budgetary allocation of at least ₹5,000 crore'. This is a concrete data point from the report.

Q: What is the primary reason cited in the article for the urgent need to migrate to Post-Quantum Cryptography (PQC), even if 'Q-Day' is years away?

To prevent the 'harvest now, decrypt later' attack on currently encrypted data, The article highlights the 'shorter-term problem' where adversaries can harvest encrypted data today and decrypt it later using future quantum computers. This 'harvest now, decrypt later' threat creates immediate urgency for adopting PQC, independent of the exact 'Q-Day' timeline.

Science & Tech Polity Security & DefenceHIGH

Target:UPSC GS-IIIMPSCTeachingSSC GAPrelims HighMains High

28 May 2026

~2 min

Source: The Hindu

Key Data:₹5,000 crore2029 (Q-Day)2024 (PQC Standards Finalized)

Bodies:DST (Department of Science & Technology)

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~2 min · Quick mode

What This Article Covers

1.The DST Task Force report warns that quantum computers could break current public-key cryptography, threatening India's digital security.

2.It recommends immediate migration to Post-Quantum Cryptography (PQC) standards finalized in 2024, with a budget of ₹5,000 crore, especially for critical infrastructure.

3.Examiners can ask about the threat from Shor's algorithm, the difference between PQC and Quantum Key Distribution (QKD), and the concept of 'harvest now, decrypt later'.

The Big Picture

Prelims · HighMains · High

India's Department of Science & Technology (DST) has flagged the urgent need to future-proof its digital infrastructure against quantum computing attacks. The Task Force recommends migrating to Post-Quantum Cryptography (PQC) standards and allocating ₹5,000 crore to secure critical sectors like finance, defence, and power grids from a potential 'Q-Day' threat.

Exam Lens

Quick Exam Facts From News

Reported 'Q-Day'Expected 2029

Recommended Budget₹5,000 crore

PQC Standards Finalized2024

Threatened AlgorithmShor's Algorithm

1-Minute Revision

›Reported 'Q-Day': Expected 2029
›Recommended Budget: ₹5,000 crore
›Target this Data: ₹5,000 crore recommended budget for migration.
›Target this Nodal Body: Department of Science & Technology (DST) Task Force.
›Target this Concept: 'Harvest now, decrypt later' threat to encrypted data.

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News Snapshot

🔐

Quantum Threat

Quantum computers running Shor's algorithm could break current public-key encryption, compromising secure communications.

🛡️

Migration Imperative

The DST Task Force advises India to migrate to Post-Quantum Cryptography standards to protect critical infrastructure.

💰

Financial & Human Capital

A ₹5,000 crore budget and specialized human capital are needed for the transition, including rare QKD engineers.

Detailed Analysis & Strategic Depth

Context / Background

Public-key cryptography (like RSA) forms the backbone of secure digital communications (HTTPS, e-commerce, digital signatures). Its security relies on mathematical problems (like integer factorization) that are hard for classical computers but could be easily solved by quantum computers using algorithms like Shor's. This creates a 'harvest now, decrypt later' risk where encrypted data stolen today could be decrypted after quantum computers become powerful enough.

Core Analysis & Implications

The threat is twofold: the long-term 'Q-Day' when quantum computers break encryption, and the immediate risk of data harvesting. The report recommends a dual approach: widely adopting software-based Post-Quantum Cryptography (PQC) and, for high-security needs, implementing hardware-based Quantum Key Distribution (QKD). The migration is a massive organizational challenge involving legacy systems, vendor dependencies, and interoperability. The ₹5,000 crore allocation underscores the scale and national priority of securing financial services, power grids, and defence networks.

Future Outlook / Way Forward

India must begin a phased migration to PQC standards immediately, regardless of the exact timeline for 'Q-Day'. This involves rationalizing vendor lock-in, fostering domestic R&D in quantum-safe technologies, and building a pipeline of QKD engineers. Periodic reassessment is crucial due to the trade-off QKD poses between enhanced security and operational efficiency. This positions cybersecurity as a strategic imperative in the national agenda.

Key Facts at a Glance

Reported 'Q-Day'Expected 2029

Recommended Budget₹5,000 crore

PQC Standards Finalized2024

Threatened AlgorithmShor's Algorithm

You've read the full analysis. Now test your understanding.

Practice exam-style questions based on this article.

Q1Static LinkageEasyUPSC, SSC, State PSC

Which government department constituted the Task Force that issued the report on making India's digital ecosystems quantum-safe?

Q2Statement-basedHardUPSC

Consider the following statements regarding the DST Task Force report on quantum-safe digital ecosystems:

1. It warns that symmetric cryptography, like AES encryption, is the primary component threatened by the advent of quantum computers.

2. It recommends the adoption of Post-Quantum Cryptography (PQC) standards that were finalized in the year 2024.

3. The report mentions that 'Q-Day', when quantum computers practically endanger public-key cryptography, is expected by 2029.

Which of the statements given above is/are correct?

Q3Data-centricMediumUPSC, SSC, Banking

According to the DST Task Force report, what is the minimum new budgetary allocation recommended for India's transition to quantum-safe systems?

Q4Application/ImpactMediumUPSC, Banking

What is the primary reason cited in the article for the urgent need to migrate to Post-Quantum Cryptography (PQC), even if 'Q-Day' is years away?

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DST Task Force Recommends ₹5,000 Cr Post-Quantum Cryptography Migration by 2029 to Secure National Digital Infrastructure

Exam Lens

Quick Exam Facts From News

1-Minute Revision

News Snapshot

Quantum Threat

Migration Imperative

Financial & Human Capital

Detailed Analysis & Strategic Depth

Context / Background

Core Analysis & Implications

Future Outlook / Way Forward

Prelims Flashpoints

Key Facts at a Glance