Current Affairs

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New Begonia Species ‘Chowna Buku Chulu’ Discovered in Arunachal Pradesh

Context: Scientists have identified a new Begonia species, Chowna Buku Chulu, in the Leparada district of Arunachal Pradesh. The discovery adds to India’s rich floral diversity, particularly in the Eastern Himalayas — a globally recognised biodiversity hotspot.

About Chowna Buku Chulu

Species Name: Chowna Buku Chulu
Family: Begoniaceae
Location: Leparada district, Arunachal Pradesh
Distinctive Feature: Bright ruby-red leaves, giving it strong ornamental potential.
Etymology: The name translates to “Noble Red” (Aryarakta) and honours Chowna Mein, Deputy Chief Minister of Arunachal Pradesh, for his contributions to the region’s development and conservation.

The species was discovered during a systematic survey of understorey flora in the humid forests of Arunachal Pradesh — an area known for rare endemic plant species.

About Genus Begonia

Global Diversity: Around 2,000 known Begonia species, making it one of the largest genera of flowering plants.
Habitat: Moist tropical and subtropical forests, thriving under shaded, humid conditions.
Unique Adaptation:
- Asymmetrical leaves with red undersides reflect light upward, improving photosynthesis under low light.
- Some species produce oxalic acid to deter herbivores.
Distribution: Pantropical — found in South America, Africa, and South and Southeast Asia. India has particularly high Begonia diversity in the Eastern Himalayas and Northeast.
Uses:
- Ornamental: Bright leaves make it popular in horticulture.
- Medicinal: Known for antioxidant, antibacterial, and anti-inflammatory properties.
- Natural Dyes: Used traditionally for pigments and dyes.

Significance of the Discovery

Biodiversity Conservation: Highlights the rich but vulnerable Eastern Himalayan ecosystem.
Economic Potential: Its ornamental value could boost local horticulture and sustainable floriculture markets.
Scientific Value: Adds to taxonomic and genetic knowledge of Begoniaceae, aiding future research.
Cultural Importance: Naming after a local leader fosters community participation in conservation.

Conservation Note

Northeast India, though ecologically rich, faces threats from habitat loss, shifting cultivation, and climate change.

Identifying and documenting endemic species like Chowna Buku Chulu helps design targeted conservation strategies and aligns with India’s commitments under the Convention on Biological Diversity (CBD) and Global Biodiversity Framework.

DRDO Releases Indian Radio Software Architecture (IRSA) 1.0

Context: The Defence Research and Development Organisation (DRDO) has unveiled Indian Radio Software Architecture (IRSA) Standard 1.0, a landmark step toward unifying India’s defence communication systems. This architecture ensures interoperability among all military radio systems of the Indian Armed Forces.

About the Indian Radio Software Architecture (IRSA)

The IRSA is India’s first national software architecture designed to enable seamless communication between Software-Defined Radios (SDRs) used by the Army, Navy, and Air Force.

Software-Defined Radios (SDRs):
SDRs are advanced radios in which core functions like frequency, modulation, encryption, and waveform generation are controlled by software instead of fixed hardware.
This makes it easier to update, secure, and reconfigure communication networks without replacing physical components.
Objective:
To establish a common, standardised software framework that allows different types of military radios to operate together seamlessly, regardless of manufacturer or service branch.
Key Features:
- Standardised APIs and Interfaces: Enables software applications (waveforms) to be reused across all SDRs.
- Full Interoperability: Allows Army, Navy, and Air Force communication systems to exchange data securely and efficiently.
- Plug-and-Play Architecture: Future radios and communication devices can integrate smoothly with minimal redesign.
Developed By:
The DRDO, in collaboration with the Integrated Defence Staff (IDS) and Tri-Services (Indian Army, Indian Navy, and Indian Air Force).

Significance

Enhanced Interoperability: IRSA ensures that all three services can communicate in real time during joint operations, improving coordination and battlefield efficiency.
Security and Encryption: By centralising control through software, IRSA enhances cybersecurity and data protection in defence communication.
Self-Reliance: Represents a critical milestone under Atmanirbhar Bharat, reducing dependence on foreign defence technologies.
Future-Ready: Provides a scalable base for future upgrades, including AI-enabled communication networks and quantum encryption capabilities.

Conclusion

The release of IRSA 1.0 marks a major stride in India’s journey towards network-centric warfare capabilities. By standardising software-based communication across all defence platforms, India is building the foundation for a secure, integrated, and indigenously developed defence communication ecosystem.

National Red List Assessment (NRLA) Initiative

Context: The Ministry of Environment, Forest and Climate Change (MoEFCC) launched the National Red List Assessment (NRLA) initiative during the IUCN World Conservation Congress in Abu Dhabi.
The initiative marks a major step in building a nationally coordinated framework to assess the conservation status of India’s native species.

About the NRLA Initiative

Aim: To develop a National Red List of threatened species in line with IUCN Red List standards.
Roadmap: The National Red List Roadmap and Vision 2025–2030 provide strategic direction for the programme.
Coverage: Assessment of at least 11,000 species of flora and fauna by 2030.
Nodal Agencies:
- Botanical Survey of India (BSI)
- Zoological Survey of India (ZSI)
Objective: To publish National Red Data Books for plants and animals to guide conservation policy.
Alignment: Reinforces India’s commitment to:
- Convention on Biological Diversity (CBD)
- Kunming–Montreal Global Biodiversity Framework (KMGBF)
- IUCN Global Red List Standards

Biodiversity of India

Global Position: India is among the 17 megadiverse countries of the world.
Hotspots: 4 of the 36 global biodiversity hotspots fall fully or partly in India.
Species Richness:
- 7–8% of global recorded species
- 7th in mammals, 9th in birds, 5th in reptiles.
Legal Framework:
- Wildlife (Protection) Act, 1972
- Forest (Conservation) Act, 1980
- Environment (Protection) Act, 1986
- Biological Diversity Act, 2002

Significance of NRLA

Provides a national baseline for biodiversity conservation.
Supports evidence-based policy formulation.
Enhances species recovery programmes and habitat protection.
Strengthens India’s role in achieving global biodiversity targets by 2030.

Way Forward

Capacity building of state agencies and research institutions.
Integration with local community knowledge for species mapping.
Linking NRLA outcomes with climate adaptation and sustainable development strategies.

The NRLA is a landmark initiative that aligns national conservation priorities with global biodiversity goals and creates a scientific basis for protecting India’s rich ecological heritage.

DRAVYA Portal: Digitising India’s Ayurvedic Knowledge Base

Context: The Ministry of Ayush, through the Central Council for Research in Ayurvedic Sciences (CCRAS), has launched the DRAVYA Portal — Digitized Retrieval Application for Versatile Yardstick of AYUSH Substances. The portal serves as India’s largest digital repository of Ayurvedic ingredients and products, aimed at modernising and standardising traditional medicinal knowledge.

In its first phase, the DRAVYA Portal will catalogue information on 100 key medicinal substances, integrating both classical Ayurvedic knowledge and modern scientific validation.

About DRAVYA Portal

Full Form: Digitized Retrieval Application for Versatile Yardstick of AYUSH Substances (DRAVYA)
Developed by: Central Council for Research in Ayurvedic Sciences (CCRAS), under the Ministry of Ayush.
Objective: To create a comprehensive and dynamic database on Ayurvedic raw materials, formulations, and therapeutic properties.
Coverage: Combines information from classical Ayurvedic texts, scientific literature, and field studies.

Key Features:

AI-Ready Framework: Designed to integrate with the Ayush Grid and upcoming digital health initiatives for evidence-based research.
Comprehensive Search: Users can explore medicinal substances used across Ayurveda and other AYUSH systems.
Multi-Domain Data: Each entry includes details on pharmacotherapeutics, botany, chemistry, pharmacology, and safety.
QR Code Integration: Enables standardised information display in medicinal plant gardens, herbariums, and research repositories.
Dynamic and Open Access: The portal continuously evolves with verified data from modern research and classical sources.

Significance:

Knowledge Preservation: Bridges traditional Ayurvedic wisdom with modern scientific validation.
Standardisation: Facilitates evidence-based policymaking and quality assurance in herbal drugs.
Research & Innovation: Supports AI-driven drug discovery and formulation development.
Global Collaboration: Positions India as a leader in digital traditional medicine data architecture under the One Health framework.

Way Forward

Integration with Pharmacopoeia Commission for Indian Medicine & Homoeopathy (PCIM&H) for standard drug codification.

Expansion to cover 5000+ medicinal substances over subsequent phases.
Promotion of interdisciplinary research between Ayurveda, biotechnology, and pharmacology sectors.

E-Cigarettes and the Rising Health Risks

Context: According to WHO’s first global estimate of e-cigarette use (2024), teenagers are nine times more likely to vape than adults, raising major public health concerns worldwide.

About E-Cigarettes:

E-cigarettes are battery-operated devices that heat a liquid into an inhalable aerosol.
The liquid typically contains nicotine, propylene glycol, glycerin, flavouring agents, and other chemicals.
Known as vape pens, ENDS (Electronic Nicotine Delivery Systems), or ENNDS (Electronic Non-Nicotine Delivery Systems).
Though they may not contain tobacco, they often deliver addictive nicotine doses similar to conventional cigarettes.

WHO’s Key Findings (2024):

15 million teenagers (13–15 yrs) use e-cigarettes globally.
Youth are 9× more likely to vape than adults.
Total vapers: over 100 million, including 86 million adults (mostly in high-income nations).
Tobacco use declined from 1.38 billion (2000) → 1.2 billion (2024).
Regional trends:
- Southeast Asia: Male tobacco use fell from 70% → 37% (2000–2024).
- Europe: Now the highest tobacco prevalence (24.1%) globally.

Legal Framework in India:

The Prohibition of Electronic Cigarettes Act, 2019

Complete Ban: Prohibits production, import, export, transport, sale, distribution, storage, and advertisement of e-cigarettes.
Penalties:
- Manufacture/sale/advertisement → Imprisonment up to 1 year or ₹1 lakh fine (first offence); up to 3 years or ₹5 lakh (repeat offence).
- Storage → Up to 6 months jail or ₹50,000 fine.
Exemption: Permitted only for research and testing purposes.

Implementation Challenges in India:

Online Accessibility: Over 60% of e-cigarette products remain available on e-commerce platforms (Voluntary Health Association of India, 2023).
Youth Appeal: Flavoured variants and influencer marketing target adolescents.
Lack of Support Systems: Only 1 in 5 tobacco users has access to quitting support or therapy (GATS 2022).
Product Evasion: New disposable or flavoured devices enter India through unregulated channels.

Way Forward:

Digital Surveillance: Deploy AI-based systems to monitor illegal online sales (like the EU’s Track & Trace model).

Youth Awareness: Launch anti-vaping campaigns under the National Tobacco Control Programme (NTCP)—similar to New Zealand’s Vape-Free Schools.
Quit Support Expansion: Strengthen helplines like mCessation, which has helped over 3 million users attempt quitting.

Inter-Agency Coordination: Form a Nicotine Product Enforcement Task Force involving MoHFW, IT Ministry, and Customs.

Port of Pasni: Pakistan’s New Geostrategic Maritime Gambit

Context: In a significant geopolitical development, Pakistan has proposed allowing the United States to build and operate a commercial deep-water port at Pasni, Balochistan. The move is aimed at exporting critical minerals such as copper and rare earths, marking a strategic shift in Pakistan’s foreign and economic policy posture.

About the Port of Pasni

The Port of Pasni is a small but strategic deep-water harbour located in the Gwadar district of Balochistan. It houses a fish harbour, a cargo jetty, and a Pakistan Maritime Security Agency (PMSA) base.

Originally designed for fisheries and coastal trade, it has now gained attention as a potential mineral export terminal under Pakistan’s new proposal to the US.

Location and Strategic Setting

Situated on the Arabian Sea, approximately 70 miles east of the China-operated Gwadar Port and 100 miles from the Iran-Pakistan border.
Roughly 300 km from India’s Chabahar Port in Iran, forming part of an emerging maritime triangle:
- Chabahar (India–Iran)
- Gwadar (China–Pakistan)
- Pasni (US–Pakistan)

This triangle could redefine power dynamics in the North Arabian Sea, where regional and global interests intersect.

Aim of the Proposal

Reduce dependence on China’s Belt and Road Initiative (BRI) by engaging US investment.
Promote commercial cooperation in the extraction and export of critical minerals like copper, antimony, and neodymium, which are essential for green technologies, electronics, and defence applications.
Position Pakistan as a critical-mineral transit hub, diversifying its economic partnerships beyond China and Gulf economies.

Key Features

Estimated investment: $1.2 billion through joint funding by the Pakistani government and US private investors.
Infrastructure plans: Rail and road connectivity to the Reko Diq mineral belt, along with modern cargo-handling terminals and logistics facilities.
Official stance: The project is described as purely commercial and non-military, intended to promote economic growth and regional trade.

Strategic and Economic Implications

For Pakistan: Offers a potential economic boost and strategic balance vis-à-vis China by attracting Western investment.
For the United States: Provides a foothold near China’s Gwadar and Iran’s Chabahar, enhancing its presence in the Arabian Sea and Indian Ocean Region (IOR).
For India: Raises strategic and maritime concerns, as Pasni’s proximity to Chabahar could influence surveillance, logistics, and regional trade routes.
For the Region: Adds a new dimension to the Indo-Pacific strategic framework, where economic and security interests overlap.

Significance

If operationalised, the Port of Pasni could transform into a key node in global critical mineral supply chains, while also intensifying great-power competition in South Asia’s maritime sphere.

UAE Introduces Sugar Tax to Promote Public Health

Context: The United Arab Emirates (UAE) has announced that it will implement a sugar tax on sweetened beverages starting January 1, 2026. The move aims to reduce high sugar consumption and associated health risks such as obesity, diabetes, and cardiovascular diseases. This initiative aligns with the Gulf Cooperation Council (GCC)’s regional framework for a tiered excise on sugar-sweetened beverages (SSBs).

About the Sugar Tax

A sugar tax is a fiscal measure that increases the retail price of sugary drinks through taxation to discourage excessive sugar intake and encourage healthier choices among consumers.
Globally, countries like the UK, Mexico, and South Africa have introduced similar taxes with measurable declines in sugary drink consumption.

Objectives:

Reduce sugar-related health issues.
Encourage product reformulation by beverage companies.
Generate revenue for public health and awareness programs.

In the UAE, this step forms part of a broader “Healthier UAE Vision”, which also targets smoking and trans-fat consumption.

India’s Approach

India already imposes one of the world’s highest tax burdens on sugary drinks, including:

28% GST,
40% Sin Tax, and
12% Compensation Cess.

Together, these aim to discourage consumption and offset healthcare costs linked to lifestyle diseases. India’s measures align with the World Health Organization’s (WHO) recommendation to use fiscal tools for improving public health outcomes.

About the Gulf Cooperation Council (GCC)

The GCC is a regional political and economic alliance formed in 1981 to strengthen political, financial, and security cooperation among its six members — Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, and the UAE.

Security Arm: Peninsula Shield Force (established 1984).
Regional Policy: Increasingly focused on economic diversification, health, and sustainability.

India–GCC Relations

Trade: Reached $178.56 billion in FY2025, forming 15.4% of India’s global trade.
Energy Security: GCC supplies ~35% of India’s crude oil and ~70% of its imported natural gas.
Diaspora: Over 8.9 million Indians live in GCC nations, contributing 38% of India’s total remittances (FY2024).

Thus, UAE’s fiscal and health policies have indirect implications for India’s trade, employment, and economic engagement in the Gulf.

Significance

The UAE’s sugar tax reflects a growing global shift towards preventive healthcare through economic policy. For India and other developing nations, it underscores the importance of integrating fiscal instruments with public health strategies to curb non-communicable diseases (NCDs) and reduce healthcare costs.

The Tigers Outside Tiger Reserves (TOTR) Project

Context: During the Wildlife Week 2025 celebrations at the Forest Research Institute (FRI), Dehradun, the Union Minister for Environment, Forest and Climate Change launched five new conservation projects and four national-level wildlife monitoring programmes, including the landmark “Tigers Outside Tiger Reserves (TOTR)” Project.

About the TOTR Project

The Tigers Outside Tiger Reserves (TOTR) is a national initiative of the Ministry of Environment, Forest and Climate Change (MoEFCC) and the National Tiger Conservation Authority (NTCA).
It will be implemented from 2025 to 2028 with a total outlay of ₹88.7 crore, coordinated by NTCA and executed by state forest departments.

Objectives

Reduce human–tiger conflict in areas beyond designated reserves.
Protect dispersing tigers that move through agricultural and forested landscapes due to habitat loss and corridor shrinkage.
Promote a landscape-level conservation model, ensuring coexistence and ecological balance while protecting human lives and livelihoods.

Key Features

1. Geographical Coverage:

Covers 80 forest divisions across 17 tiger-range states, including Madhya Pradesh, Maharashtra, Karnataka, Uttarakhand, Assam, Kerala, Tamil Nadu, West Bengal, and Arunachal Pradesh.
Focuses on buffer zones and corridors adjoining high-density tiger reserves.

2. Use of Technology:

Deployment of AI-based early warning systems, camera traps, GPS-enabled patrolling, and data analytics to monitor tiger movements.

3. Community Participation:

Formation of Rapid Response Teams (RRTs) with trained local youth, equipped with tranquilization gear and rescue vehicles.
Launch of “Bagh Mitra” (Tiger Friends) and eco-education camps to build public awareness on coexistence.

4. Institutional Mechanism:

NTCA will centrally coordinate and monitor project progress.
Chief Wildlife Wardens (CWLWs) and State CAMPA authorities will handle state-level fund management and implementation.

Other Conservation Projects Launched

Project Dolphin (Phase II): Focus on conservation of river and marine dolphins, including the Ganga River Dolphin and Indus Dolphin.
Project Sloth Bear: India’s first national framework for sloth bear protection — covering habitat management, rescue, and conflict mitigation.
Project Gharial: Aimed at recovering gharial populations in the Chambal and Gandak river ecosystems.
Centre of Excellence for Human–Wildlife Conflict Management (CoE–HWC): Established at Sálim Ali Centre for Ornithology and Natural History (SACON) to develop AI-based conflict prediction models and capacity-building tools.

Significance

With over 35% of India’s tiger population living outside reserves, TOTR represents a crucial step in inclusive tiger conservation.

By blending technology, community engagement, and landscape-level management, it ensures long-term sustainability of both human and wildlife ecosystems.

Viridans Streptococci: Oral Bacteria Linked to Heart Attacks

Context: A recent study conducted by researchers at Tampere University, Finland, has revealed a surprising connection between oral bacteria and heart attacks. The study examined coronary arteries from 121 sudden-death autopsies and found that Viridans streptococci were present in about 42% of both autopsy and surgical cases, making them the most frequently detected bacterial species.

About Viridans Streptococci

Viridans streptococci are a group of gram-positive cocci commonly found in the oral cavity, but also present in the gastrointestinal, respiratory, and female genital tracts. Normally harmless, they are part of the body’s commensal microbiota.

However, under certain conditions, they can turn pathogenic, being a leading cause of infective endocarditis (IE) — an infection that affects the inner lining of the heart, especially in individuals with previously damaged cardiac tissue.

Viridans Streptococcal Biofilm Formation

The bacteria have the ability to form biofilms — sticky, protective layers that allow them to adhere to surfaces such as atherosclerotic plaques (fatty buildups inside arteries).

Within these biofilms, bacteria remain hidden from the immune system, enabling them to persist undetected for long periods.

Link Between Oral Bacteria and Heart Disease:

The study highlights how biofilm-forming Viridans streptococci can play a direct role in triggering heart attacks:

Biofilm Stability: The bacteria remain embedded deep within arterial plaques, shielded from immune response.
Biofilm Disruption: Over time, fragments of the biofilm can break loose.
Inflammation Trigger: When released, these bacteria provoke inflammation in the arterial wall, weakening the fibrous cap that covers the fatty plaque.
Plaque Rupture: The weakened cap eventually ruptures, leading to clot formation, which can block blood flow and cause a heart attack.

Significance of the Study:

The findings underscore the link between oral health and cardiovascular health, suggesting that oral bacteria may be silent contributors to heart disease.

The presence of Viridans streptococci in coronary plaques demonstrates the importance of maintaining good oral hygiene to reduce systemic inflammation and cardiac risk.

Conclusion

The Tampere University study provides crucial evidence that the mouth-heart connection is not merely coincidental but biologically plausible.

By forming biofilms within arterial plaques, Viridans streptococci act as hidden players in the development of atherosclerosis and heart attacks — highlighting how preventive dental care may play an unexpected role in cardiovascular protection.

PM Dhan-Dhaanya Krishi Yojana (PMDDKY): Boosting Agricultural Self-Reliance

Context: The Government of India has announced 100 Aspirational Agriculture Districts under the PM Dhan-Dhaanya Krishi Yojana (PMDDKY), covering 29 States and Union Territories. The initiative aims to enhance farm productivity, sustainability, and rural prosperity, aligning with the government’s vision of “Viksit Bharat @2047”.

About the Scheme

The PMDDKY is an umbrella initiative of the Ministry of Agriculture and Farmers’ Welfare (MoAFW). It seeks to transform low-performing agricultural districts through integrated planning, data-driven governance, and convergence of schemes.

Objectives

Enhance productivity of major crops through modern, sustainable farming practices.
Promote self-reliance in agricultural resources and inputs.
Encourage diversification into high-value crops, allied sectors, and climate-resilient farming.
Ensure inclusive development by focusing on lagging districts with untapped potential.

Selection Criteria

The 100 Aspirational Agriculture Districts were identified based on:

Low crop productivity compared to the state average.
Moderate or low crop intensity.
Limited access to institutional credit and agri-infrastructure.
Socio-economic vulnerabilities affecting farmer incomes.

This data-driven identification mirrors the approach of NITI Aayog’s Aspirational Districts Programme (ADP), focusing on measurable improvement through a real-time monitoring framework.

Scheme Integration and Implementation

Integration: The PMDDKY brings together 36 central schemes from 11 departments, enabling convergence of resources and simplified delivery. These include schemes from the Ministries of Rural Development, Food Processing, Water Resources, and Renewable Energy.
District Plans: Each selected district will prepare a District Agriculture Development Plan (DADP) outlining priorities such as irrigation, seed quality, soil health, and market linkages.
Monitoring: The progress will be tracked by 100 Central Nodal Officers using digital dashboards and key performance indicators (KPIs).
Local Committees: Headed by the District Collector, they will coordinate between panchayats, agri-universities, and farmers’ producer organizations (FPOs) to ensure ground-level execution.

Significance

Holistic Growth: Moves from fragmented schemes to an integrated mission-mode approach.
Sustainability: Encourages soil health management, efficient water use, and adoption of renewable energy in farming.
Farmer Empowerment: Bridges the rural credit and infrastructure gap, enhancing income stability.
Data-Driven Governance: Builds accountability through measurable, outcome-based indicators.

Way Forward

PMDDKY has the potential to become a model for regional agricultural transformation, much like the Aspirational Districts Programme for governance. If effectively implemented, it can significantly contribute to doubling farmers’ income and achieving sustainable agricultural growth across India.

Li-Fi Internet System: A Breakthrough in Wireless Communication

Context: Gujarat-based Nav Wireless Technologies has achieved a major milestone by successfully deploying the United States’ first commercial Li-Fi internet system in New York City. This marks a significant step towards transforming how wireless communication operates globally.

About Li-Fi Technology

Li-Fi (Light Fidelity) is a wireless optical communication technology that uses light waves from Light Emitting Diodes (LEDs) to transmit data at extremely high speeds.

Working Mechanism: Li-Fi works by modulating the intensity of LED light at rapid speeds—imperceptible to the human eye—to encode data.
Receiver Setup: A photodiode captures these light signals and converts them into electrical signals, which are then processed into usable data such as audio, video, or text.
Comparison with Wi-Fi: Unlike Wi-Fi, which relies on radio waves, Li-Fi operates using visible, infrared, and ultraviolet light, offering faster and more secure data transmission.

Advantages of Li-Fi Internet

High Speed: Li-Fi can deliver speeds exceeding 100 Gbps, outperforming most Wi-Fi systems.
Enhanced Security: As light cannot pass through walls, Li-Fi signals are naturally confined to a space, reducing the risk of external hacking.
Large Bandwidth: The visible light spectrum is nearly 10,000 times wider than the radio spectrum, significantly improving data capacity and reducing network congestion.
Electromagnetic Safety: Li-Fi avoids interference with medical or aviation instruments, making it ideal for hospitals, aircraft, and industrial environments.
Energy Efficiency: Dual-use LED lighting systems can both illuminate and transmit data, reducing energy and infrastructure costs.

Limitations of Li-Fi

Line-of-Sight Dependency: Li-Fi requires a direct line of sight between the transmitter and receiver; obstruction can weaken the connection.
Limited Range: Since light cannot penetrate walls, each room needs its own Li-Fi transmitter for complete coverage.
Ambient Light Interference: Bright ambient or sunlight may distort signals, making Li-Fi less effective outdoors.

Significance and Way Forward

Li-Fi represents a paradigm shift in communication technology, offering ultra-fast, secure, and eco-friendly connectivity. As smart cities, healthcare, and aviation sectors look for interference-free and high-speed data networks, India’s growing role in Li-Fi innovation positions it as a leader in next-generation communication solutions.

National Dam Safety Authority (NDSA)

Context: After two years of debate over the structural stability of the Kaleshwaram Lift Irrigation Project’s barrages in Telangana, the Union Government has accepted the recommendations of the National Dam Safety Authority (NDSA) and decided to undertake repair works on three barrages.
This marks a major step in implementing scientific dam safety oversight in India under the Dam Safety Act, 2021.

About the National Dam Safety Authority (NDSA)

Statutory Body: Established under the Dam Safety Act, 2021, the NDSA is a statutory authority functioning under the Ministry of Jal Shakti.
Headquarters: New Delhi.
Composition: Headed by a Chairperson, assisted by five members leading specialized divisions —
1. Policy & Research
2. Technical
3. Regulation
4. Disaster & Resilience
5. Administration & Finance

Mandate and Functions

Policy Implementation: Executes policies framed by the National Committee on Dam Safety (NCDS).
Dispute Resolution: Resolves issues between State Dam Safety Organisations (SDSOs) or between an SDSO and a dam owner.
Regulation & Inspection: Specifies standards for inspection, investigation, design, and maintenance of dams.
Accreditation: Grants accreditation to agencies involved in dam construction, design, or alteration.
Emergency Preparedness: Ensures that dam safety and emergency response protocols are in place, especially during natural disasters.
Capacity Building: Conducts awareness and training programmes to enhance safety management across states.

Significance

India has over 6,000 large dams, many of which are over 50 years old. Ensuring their safety is critical for lives, livelihoods, and irrigation infrastructure.
The NDSA establishes uniform national standards and bridges the coordination gap between Centre and States.
It promotes a preventive safety culture rather than a reactive disaster response mechanism.

Way Forward

Regular dam safety audits using modern technology such as remote sensing, drones, and digital monitoring systems.
Strengthening coordination between NDSA and state agencies for real-time data sharing.
Public awareness and early warning systems for communities in downstream areas.

Conclusion

The National Dam Safety Authority marks a paradigm shift from fragmented dam oversight to integrated and accountable safety governance.
Its proactive intervention in the Kaleshwaram case demonstrates the Centre’s commitment to scientific dam management and disaster resilience.