Current Affairs – May 31, 2026

{GS3 – S&T} India’s Research Integrity Crisis **

Context (IE): Despite contributing around 5% of global research publications, India accounted for nearly 20% of global retractions in 2025, exposing deep structural flaws in its research ecosystem.

India rank 3^rd globally in research publications, behind only the U.S. and China. However, ranks 2^nd in the number of research papers retracted due to unethical practices.
The crisis is driven by a system that rewards quantity over quality. E.g., National Institutional Ranking Framework (NIRF) gives nearly 30% weightage to publications and citations, encouraging a “publish more, rank higher” culture that prioritises output over genuine innovation.

Major Problems in India’s Research Ecosystem

Predatory And Paper-Mill Journals: These journals charge publication fees without proper peer review, enabling rapid publication of low-quality or manipulated research and undermining scientific standards.
Unethical Citation Practices: Institutional and individual self-citations artificially boost rankings without reflecting genuine scholarly impact.
Data Manipulation by HEIs: Several Higher Educational Institutions (HEIs) reportedly inflate publication records, particularly through contractual, visiting, or adjunct faculty members.
Credibility Crisis: The Clarivate “Top 1% Researchers” list, which penalises retracted papers, includes only 5 Indian researchers, while the Stanford list that does not strongly penalise retractions includes over 6,000.
Absence Of Enforcement: India currently lacks an independent and empowered institution dedicated to investigating research misconduct.

Recommendations

Structural Reforms

Assessment & Incentive Reform

Establish a Research Integrity Office (RIO): Establish an autonomous RIO with statutory powers to investigate misconduct, mandate retractions, and impose institutional penalties.
Shift Towards Quality-Based Evaluation: Ranking frameworks like NIRF should move away from purely quantitative indicators and focus more on peer-reviewed impact, originality of research and Quality of select publications rather than total publication count.
Audit Suspicious Publication Patterns: Researchers or institutions showing unusually high publication volumes should undergo paper-mill audits. Independent third-party verification of faculty publication data submitted by HEIs should become mandatory.

Evaluate Best Research: Instead of counting total citations, evaluation systems should assess a researcher’s best 3–5 papers through expert peer review. This would prioritise meaningful scholarship over mass publication.
Increase Weightage for Student Outcomes: Such as alumni performance, employability, civic contribution in institutional rankings to reflect teaching quality.
Stronger Penalties for Retracted Papers: Institutions & researchers associated with retracted papers should face penalties within ranking systems, funding decisions, and promotions.

India’s demographic dividend and vast scientific talent are major strategic assets, but the country can emerge as a global knowledge leader only when its research ecosystem rewards originality, integrity, and genuine inquiry rather than mere publication numbers.

Read More> India’s R&D Architecture

{GS3 – S&T} Quantum-Safe Ecosystem in India **

Context (TH): Department of Science and Technology released a report on building a quantum-safe digital ecosystem in India.

Key Threat: India’s digital infrastructure relies on Public Key Infrastructure (PKI) and asymmetric cryptography, which use mathematical encryption to protect banking, defence, and governance networks. But advanced quantum computers can break these with Shor’s Algorithm, exposing critical systems.
- Q-Day is the hypothetical point when quantum computing can successfully compromise global public-key cryptographic systems.
Recommendations: The report suggests a time-bound adoption of Post-Quantum Cryptography (PQC) and Quantum Key Distribution (QKD) models.
- It mandates full PQC migration for Critical Information Infrastructure (CII) by 2029 and for other enterprises by 2033.

Key Attributes	Post-Quantum Cryptography (PQC)	Quantum Key Distribution (QKD)
Nature	Software-based cryptographic approach using advanced mathematical algorithms.	Hardware-driven secure communication method based on physics.
Primary Mechanism	Relies on complex mathematical problems designed to resist quantum decryption.	Uses quantum states of light particles, called photons, to securely exchange keys.
Deployment	Highly scalable through software updates on existing classical computers and standard digital networks.	Requires specialised quantum hardware, fibre-optic cables, or satellite links.
Applications	Suitable for mass adoption in banking, telecom and e-governance.	Reserved for critical high-security sectors, including military command and strategic communication lines.
Key Limitation	Remains theoretically vulnerable if unexpected mathematical breakthroughs occur.	Faces high deployment costs and transmission distance limits.

{Prelims – Geo} Earth’s Outer Core Flow Reversal

Context (TH): European Space Agency’s Swarm Satellite Mission shows rapid, unexpected fluctuations in Earth’s outer-core flow patterns.

The liquid outer core beneath the Pacific shifted from sluggish westward flow to intense eastward flow, with the transition weakening around 2020.
Scientists link this outer-core flow reversal to potential inner-core geodetic and seismic shifts, suggesting interconnected dynamics of Earth’s interior.
Significance: The shift challenges geological assumptions and affects the planetary geodynamo, as molten-iron motion governs Earth’s magnetic shield.

{Prelims – Geo} Ancient Indian Rainfall Measurement System

Context (IE): Ancient India developed one of the world’s earliest known state-administered rainfall measurement systems during the Mauryan period, as described in the Arthashastra.

Arthashastra described a standardised rain-measuring instrument, likely a wide-mouthed clay bowl, placed near government granaries for uniform rainfall recording.
Measurement Unit: Rainfall was measured using the unit “drona”, approximately equal to 13.2 kg of water, which could be converted into rainfall depth.
- Drona was a volumetric unit for measuring grains, liquids, & agricultural produce in ancient India. While Dronavapa refers to the area of land required to sow one drona of grain.
Regional Mapping: The Arthashastra classified expected rainfall patterns for six major regions, including Himalayan foothills, Gangetic plains, Western & southern coastal regions and Dry inland areas.
Significance: The Mauryan rainfall system predates Korea’s Cheugugi rain gauge network (1441 CE) and European rain gauge developments by Benedetto Castelli (1639) and Christopher Wren (1662).

{Prelims – IR} India-China Working Mechanism for Consultation and Coordination

Context (DDN): India and China held the 35th Working Mechanism for Consultation and Coordination (WMCC) on India-China Border Affairs in Beijing.

WMCC is an institutional mechanism established in 2012 to manage India–China border affairs and maintain peace and stability along the Line of Actual Control (LAC).
Functions: WMCC discusses border management, confidence-building measures, troop disengagement, and cross-border cooperation.
Limitation: WMCC does not discuss the boundary dispute or boundary settlement, which are handled separately through the Special Representatives Talks mechanism.

{Prelims – IE} New Mandate on Solar Cells

Context (IE): Ministry of New and Renewable Energy mandated using domestically produced solar cells for Net-Metering and Open Access solar projects from June 1, 2026.

Objective: Reduce India’s dependence on imported solar parts from China and strengthen the local manufacturing ecosystem under Atmanirbhar Bharat.
Regulatory Framework: The Approved List of Models and Manufacturers (ALMM) List-II enforces domestic sourcing of solar photovoltaic cells.
Key Concern: India has ~27 GW of cell manufacturing capacity, costing 80-120% more than imported cells, risking shortages, higher prices, and corporate monopolization.

Net-metering covers rooftop solar under PM Surya Gha Muft Bijli Yojana, while open access serves commercial and industrial consumers.

Read More > Solar Energy in India

{Prelims – S&T} Subsurface Ice Near Moon’s South Pole

Context (TH): Physical Research Laboratory (PRL) identified possible subsurface ice in the lunar south polar region by analysing data from Chandrayaan 2’s DFSAR payload.
The Research focused on doubly shadowed craters, e.g., Faustini crater, small craters inside larger permanently shadowed craters within permanently shadowed regions.

Key Findings

The study suggests that Circular Polarization Ratio (CPR) values above 1 along with DOP values below 0.13 may indicate the presence of subsurface ice.
A 1.1 km-wide crater within the Faustini crater showed strong evidence of subsurface ice, along with a “lobate-rim morphology” suggesting that the impacting body may have penetrated ice-bearing subsurface layers.

DOP is a radar polarimetric parameter that measures how much of the reflected radar signal retains its original polarisation state after interacting with the surface, or subsurface material. It helps distinguish genuine ice signatures from radar signals produced by rough rocky terrain.

About Chandrayaan-2

Chandrayaan-2, India’s 2^nd lunar mission, was launched by ISRO in July 2019. The mission consisted of Orbiter, Vikram Lander and Pragyan Rover.
Although communication with the Vikram lander was lost during landing in September 2019, the orbiter continues to function successfully and all its scientific payloads remain operational.
Dual Frequency Synthetic Aperture Radar (DFSAR) is one of the eight payloads aboard the Chandrayaan-2 orbiter.

Read More> Chandrayaan Programme

Context (TH): Despite this high prevalence, widespread misconceptions and a lack of routine screening leave most of the population unaware of colour blindness.

Colour blindness, or colour vision deficiency (CVD), is a reduced ability to distinguish colours, typically red, green, and blue, compared with standard human vision.
Mechanism: It occurs when the light-sensitive cells in the retina, the cones, are missing, damaged, unresponsive to light wavelengths, or contain abnormal photopigments.
Causes: Most CVD cases are hereditary, but diabetes, glaucoma, macular degeneration, multiple sclerosis, Alzheimer’s, and Parkinson’s can also cause acquired CVD.
X-Linkage: The most common form of CVD (red-green) is caused by an inherited mutation on the X chromosome, making it more prevalent in men than in women.
Prevalence: It affects 8% of males and 0.5% of females globally, compared to 3.89% of males and 0.18% of females in India.
Optical Aid: While inherited CVD has no cure, specialised optical lenses can temporarily enhance colour contrast by filtering overlapping wavelengths.

Context (TH): As per study, a routine rotavirus vaccine is significantly reducing serious diarrhoea in young children and doctors are now treating Intussusception without surgery in most cases.

About Rotavirus

Rotaviruses are the leading cause of severe, dehydrating diarrhoea in children aged less than 5 years globally. Rotaviruses are classified as a genus in the family of Reoviridae.
Spreads through the faecal-oral route, contaminated food, water, or surfaces.
Treatment: The Rotavirus vaccine, an oral vaccine given to infants to prevent severe gastroenteritis and dehydration. It is included in India’s Universal Immunisation Programme (UIP).

Rotavac: India developed its own indigenous rotavirus vaccine called Rotavac, developed by Bharat Biotech in collaboration with the Department of Biotechnology (DBT).

What is Intussusception?

It is a serious medical condition in which one part of the intestine slides or telescopes into an adjacent part, causing a blockage. It is the most common cause of intestinal obstruction in young children, particularly between 3 months to 3 years of age.
It cuts off blood supply to the affected part, which can lead to tissue death if untreated.

Context (DTE): The 2025 Lancet Countdown on Health and Climate Change reveals that climate inaction has pushed health threats to unprecedented, record-breaking levels.

Lancet Countdown is a research collaboration of 71 leading academic institutions and UN agencies (including WHO) that tracks the deepening relationship between public health and climate change.

Key Findings of the Lancet Countdown on Health and Climate Change

Rising Health Burden: Heat-related deaths increased by 23% since the 1990s, averaging 5.46 lakh deaths annually, while people globally experienced 16 additional heatwave days per year.
Pollution & Disease Risks: Delayed clean energy transition caused 2.52 million outdoor and 2.3 million indoor air pollution deaths, while climate change raised dengue transmission potential by 49% globally and 85% in India.
Economic & Food Impacts: Heat exposure led to the loss of 640 billion labour hours globally in 2024 (~$1.09 trillion or 1% of global GDP), while droughts affected 61% of global land area and pushed 124 million more people into food insecurity.

India Specific Findings

Extreme Heat Exposure: Indians experienced 19.8 heatwave days in 2024, around 6.6 days more due to climate change.
Labour & Economic Losses: Extreme heat caused the loss of 247 billion labour hours, mainly in agriculture (66%) and construction (20%), while air pollution-related premature mortality cost India $339.4 billion (9.5% of GDP).
Energy & Fiscal Concerns: 61% of households still rely on biomass fuels, and fossil-fuel subsidies (₹4.3 lakh crore) remain nearly four times higher than the central health budget (₹1 lakh crore).