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1 September 2026 Current Affairs (With PDF)

We bring you the most relevant and important news updates from around the world and India, specially curated for competitive exams and different entrance exams. Today's Current Affairs cover all significant national and international headlines, legal updates, economic news, and environmental highlights to boost your preparation. With our crisp, to-the-point coverage, you can confidently tackle current affairs questions in your exam.

India–Uzbekistan Relations: PM Modi’s Visit and Strategic Partnership

Why in News?

Prime Minister Narendra Modi visited Uzbekistan during his Central Asian diplomatic tour, ahead of the 26th Shanghai Cooperation Organisation (SCO) Summit in the Kyrgyz Republic. The visit resulted in significant agreements covering strategic cooperation, nuclear energy, critical minerals, trade, digital payments, environmental restoration and cultural diplomacy.

Key Outcomes of the Visit

1. Elevation of Bilateral Ties

India and Uzbekistan upgraded their relationship to a Comprehensive Strategic Partnership.
The enhanced framework focuses on Regional security and stability,, Digital connectivity, Emerging and advanced technologies, Broader economic and strategic cooperation.

2. Strengthening Nuclear Energy Cooperation

India and Uzbekistan concluded a long-term uranium supply arrangement.
The agreement is expected to Strengthen India’s nuclear fuel security, Diversify uranium procurement sources, Support India’s long-term expansion of civilian nuclear power.
It aligns with India’s objective of significantly expanding nuclear power capacity by 2047.

3. Cooperation in Critical Minerals

The two countries signed an MoU between their respective mining authorities.
It seeks to promote Exploration of strategic minerals, Resource development, Reliable supply chains for critical minerals.
Such cooperation can contribute to India’s efforts to reduce vulnerabilities in critical mineral supply chains.

4. Expanding Trade and Digital Connectivity

India and Uzbekistan established a bilateral trade target of US$5 billion by 2030.
An Economic and Financial Dialogue was also established to facilitate greater economic engagement.
UPI–UZQR interoperability will enable smoother digital payments for merchants across the two countries.

5. Cooperation for Aral Sea Restoration

India announced a US$1 million grant towards rehabilitation initiatives associated with the Aral Sea.
The initiative connects Uzbekistan’s Yashil Makon tree-planting programme with India’s Ek Ped Maa Ke Naam campaign.
It reflects the growing environmental dimension of India–Central Asia cooperation.

6. Recognition of India’s Leadership

President of Uzbekistan conferred the ‘Oliy Darajali Do’stlik’ (Order of Friendship) on Prime Minister Narendra Modi.
It is Uzbekistan’s highest state honour for foreign leaders and reflects the depth of bilateral relations.

7. Cultural and Educational Diplomacy

India expanded its cultural engagement with Uzbekistan through:

Cooperation for conservation of ancient Buddhist sites at Termez, including Fayaz Tepa and Kara Tepa.
Provision of 100 Lal Bahadur Shastri Hindi scholarships.
Establishment of an ICCR Sanskrit Chair in Tashkent.

India–Uzbekistan Relations: Key Facts

1. Historical Foundations

India and Uzbekistan share historical and civilisational connections dating to the Silk Road era.
Diplomatic relations were formally established in 1992.
The bilateral relationship was elevated to a Strategic Partnership in 2011.
The 2026 decision to establish a Comprehensive Strategic Partnership represents a further expansion of bilateral engagement.

2. Strategic Significance

Uzbekistan occupies an important position in India's Connect Central Asia policy.
Its geographical location provides India with opportunities to strengthen Connectivity with Central Asia, Trade diversification, Energy cooperation, Regional security partnerships.
Deeper engagement with Uzbekistan also supports India’s broader outreach to the landlocked Central Asian region.

3. Bilateral Trade

India–Uzbekistan bilateral trade reached approximately US$1.3 billion in 2025.
The trade balance is currently favourable to India.

4. Defence Cooperation

India and Uzbekistan conduct the DUSTLIK exercise.
It is an annual joint military exercise focused primarily on counter-terrorism cooperation.
The exercise strengthens interoperability and professional exchanges between the armed forces of the two countries.

5. People-to-People and Soft-Power Linkages

Uzbekistan has emerged as an important source of medical tourists visiting India.
It is also the first Central Asian country to conduct examinations under India’s Yoga certification framework.
Cultural, educational and heritage initiatives further reinforce India's soft-power outreach in Central Asia.

Significance for India

Strategic: Strengthens India's engagement with a strategically important Central Asian partner.
Energy: Supports diversification of uranium supplies and India's nuclear-energy ambitions.
Economic: Provides opportunities to expand bilateral trade and investment.
Critical Minerals: Enhances access to resources important for advanced industries and clean-energy technologies.
Digital Diplomacy: UPI–UZQR integration expands India's digital public infrastructure partnerships.
Connectivity: Supports India's efforts to develop alternative trade and connectivity routes towards Central Asia.
Cultural Diplomacy: Deepens historical and civilisational connections through heritage, language, education and Buddhism.
Environmental Cooperation: Creates scope for collaboration on ecological restoration and climate resilience.

PARIVARTAN Scheme: Accelerating the Transition to Cleaner Commercial Mobility

Why in News?

The PARIVARTAN Scheme has recorded more than 1,300 beneficiaries, with 42 banks and NBFCs and 15 automobile manufacturers (OEMs) onboarded across the Delhi-NCR region. The initiative seeks to accelerate the replacement of older, high-emission commercial vehicles with cleaner alternatives.

About the PARIVARTAN Scheme

Full Form: Program for Accelerated Renewal and Incentivization of Vehicle Assets for Reducing Transport Air Pollution and Network Emissions
Launch: July 2026
Total Outlay: ₹9,585 crore
Primary Objective: Reduce vehicular pollution in the National Capital Region by facilitating the replacement of BS-IV and older commercial vehicles.

Targeted Vehicle Replacement

The scheme aims to replace more than 2 lakh commercial trucks and buses.
Eligible older vehicles will be replaced with BS-VI compliant vehicles, or Electric vehicles (EVs).
The focus on commercial vehicles is intended to address their relatively significant contribution to urban transport emissions.

Institutional Framework

Implementing Ministry: Ministry of Road Transport and Highways (MoRTH).
Funding Agency: National Capital Region Planning Board (NCRPB).
Administrative Ministry of NCRPB: Ministry of Housing and Urban Affairs (MoHUA).

Financial Incentives under PARIVARTAN

Interest Support: Eligible loans for replacing old commercial vehicles receive an interest saving of 5% per annum for five years.
Motor Vehicle Tax Concession: Participating NCR States provide a 100% concession on Motor Vehicle Tax for 10 years for eligible replacement vehicles.
Registration Fee Waiver: New-vehicle registration charges are completely waived for eligible vehicles.
OEM Discount: Participating Original Equipment Manufacturers (OEMs) provide a minimum 8% discount on qualifying new vehicles.
Fuel and EV Incentives: Buyers adopting BS-VI/CNG vehicles receive monthly fuel vouchers for five years. Eligible electric vehicle purchasers receive a one-time financial incentive.

Significance of the Scheme

Air Pollution Control: Replaces older, more polluting commercial vehicles with cleaner technologies.
Green Mobility: Encourages adoption of BS-VI, CNG and electric vehicles.
Vehicle Scrappage: Supports the formal retirement of ageing commercial vehicles.
Financial Accessibility: Interest support and tax concessions reduce the cost of fleet modernisation.
Digital Governance: Integration of multiple government platforms facilitates transparent and technology-driven implementation.
Public Health: Reduction in transport-related emissions can contribute to improved air quality in Delhi-NCR.
Industrial Transition: Creates greater demand for cleaner vehicles and supports the automobile industry's shift towards low-emission mobility.

Higher Education in India: Expansion, Inclusion and Emerging Challenges

Why in News?

India’s higher education ecosystem has witnessed substantial expansion over the last decade, with significant growth in universities, colleges, student enrolment, faculty strength, female participation and research-oriented programmes between 2014–15 and 2023–24.

The expansion indicates improved access to higher education, although concerns relating to employability, faculty shortages, research expenditure, enrolment levels and academic-industry alignment remain.

Higher Education: Decadal Progress

1. Expansion of Educational Institutions

Between 2014–15 and 2023–24:

Universities: Increased by 69.6% to 1,289.
Colleges: Rose by 25.3% to 48,246.
Standalone institutions: Expanded by 24% to 15,221.

This expansion has significantly increased the institutional capacity available for tertiary education.

2. Growth in Student Enrolment

Total higher education enrolment increased by 31.5%, reaching approximately 4.50 crore students.
The Gross Enrolment Ratio (GER) increased to 30%.
The number of students completing higher education programmes rose by 24.06% to approximately 1.09 crore.

3. Improving Gender Participation

Women have recorded considerable gains in higher education:

Female enrolment increased by 42.2% to 2.24 crore.
Female GER reached 31.2%, remaining above the male GER for the seventh consecutive year.
The overall Gender Parity Index (GPI) improved to 1.08.

This reflects a gradual narrowing of gender disparities in access to higher education.

4. Social Inclusion

Participation of historically disadvantaged communities has also expanded:

OBC students: Accounted for 40.1% of enrolment.
SC students: Represented 15.5%, GER: 27.8%
ST students: Represented 6.4%, GER: 22.8%

These trends indicate broader participation, although disparities in access and completion continue to require policy attention.

5. Expansion of STEM and Advanced Education

STEM enrolment increased by 11.5%, reaching 1.02 crore.
PhD enrolment recorded a sharp increase of 192.89%, reaching 3.43 lakh.
Enrolment in integrated programmes expanded by 301.36% to 5.69 lakh.

The growth in doctoral and integrated programmes can strengthen India's research and innovation ecosystem if accompanied by adequate funding, infrastructure and academic mentorship.

6. Faculty and Institutional Infrastructure

Teaching personnel increased by 17.6% to 17.32 lakh.
Women constituted around 44.9% of the teaching workforce.

7. In 2023–24

Libraries were available in around 98% of universities, colleges and standalone institutions.
Approximately 95% of colleges had playgrounds.
Around 85% had laboratory facilities.

8. International and Inclusive Participation

Foreign student enrolment increased by 37.5% to 58,134.
Enrolment of Persons with Benchmark Disabilities (PwBD) increased by 38.1%, reaching 88,816 by 2022–23.
However, male participation among PwBD students remained higher than female participation.

Major Challenges in Higher Education

1. Employability Gap

The India Skills Report 2026 places graduate employability at approximately 56.35%.
This indicates a significant gap between academic qualifications and industry-ready skills.
Greater emphasis is required on Practical learning, Internships and apprenticeships, Digital and technological skills, Industry-academia collaboration.

2. Faculty Shortages

Around 25.44% of sanctioned teaching positions in central universities remain vacant.
Persistent vacancies can Increase student-teacher ratios, Reduce individual academic attention, Affect teaching quality, Constrain research and mentoring.

3. Limited Research Investment

India’s national R&D expenditure remains around 0.64% of GDP.
Limited research financing constrains Advanced laboratory infrastructure, Fundamental research, Commercialisation of innovations, International research competitiveness.

4. Access to Higher Education

India's GER currently stands at around 30%.
The National Education Policy (NEP) 2020 has set a target of 50% GER.
The existing 20-percentage-point gap highlights the need for greater capacity, affordability and accessibility, particularly for disadvantaged and geographically remote populations.

5. Disciplinary Imbalance

Approximately 32.1% of undergraduate students are enrolled in Arts programmes.
Engineering accounts for around 12.9%.
This distribution raises concerns about the alignment between higher education choices and the evolving demand for technological and STEM-oriented skills.

Government Initiatives to Strengthen Higher Education

1. PM-USHA

Pradhan Mantri Uchchatar Shiksha Abhiyan (PM-USHA) seeks to strengthen state higher education institutions.
Focus: Modernisation of institutional infrastructure, Improving quality and accessibility, Curriculum development in accordance with NEP 2020, Enhancing institutional outcomes.

2. One Nation, One Subscription (ONOS)

Provides students and researchers across eligible higher education institutions with access to a large collection of international scholarly journals and research publications.
It aims to democratise access to academic knowledge and reduce disparities between institutions.

3. Anusandhan National Research Foundation (ANRF)

Promotes and finances research across universities and higher education institutions.
Encourages Interdisciplinary research, Innovation, Collaboration between institutions, Expansion of India's research ecosystem beyond elite institutions.

4. Higher Education Financing Agency (HEFA)

Provides financing support to centrally funded higher and technical institutions.
Enables institutions to develop Research infrastructure, Academic facilities, Modern campuses, Advanced institutional infrastructure.

5. SWAYAM

Study Webs of Active-Learning for Young Aspiring Minds (SWAYAM) provides online courses that are generally available without tuition charges and can offer academic credit.
Significance: Expands access to quality learning resources, Supports learners unable to attend conventional classrooms, Promotes digital and flexible education.

6. SPARC

Scheme for Promotion of Academic and Research Collaboration (SPARC) facilitates collaboration between Indian higher education institutions and international universities.
Objectives: Improve research quality, Promote international academic partnerships, Facilitate knowledge exchange, Strengthen India's global research networks.

7. Academic Bank of Credits (ABC)

Provides a digital mechanism for maintaining students' academic credits earned from recognised institutions.
Supports the multiple-entry and multiple-exit framework envisioned under NEP 2020.
Enhances flexibility and mobility within higher education.

8. GIAN

Global Initiative of Academic Networks (GIAN) brings eminent international academics and researchers to Indian institutions.
Purpose: Strengthen teaching quality, Facilitate international knowledge exchange, Introduce advanced courses and specialised expertise, Promote global academic collaboration.

Pradhan Mantri Fasal Bima Yojana (PMFBY)

Why in News?

The Pradhan Mantri Fasal Bima Yojana (PMFBY) has completed a decade of implementation.
Over the past ten years, more than 92.46 crore farmer applications have been insured, while claims exceeding ₹2.06 lakh crore have been paid to over 26.33 crore farmer applications.

About PMFBY

Launch: February 2016.
Objective: To provide affordable and comprehensive insurance protection to farmers against crop losses arising from specified natural risks.
The scheme covers both loanee and non-loanee farmers, including eligible tenant farmers and sharecroppers.

Premium Structure

1. Farmers contribute only a limited portion of the actuarial premium:

Kharif foodgrain and oilseed crops: Maximum 2%.
Rabi foodgrain and oilseed crops: Maximum 1.5%.
Commercial and horticultural crops: Maximum 5%.

2. The remaining premium is subsidised by governments.

Most States/UTs: Centre and State share the subsidy generally in a 50:50 ratio.
North-Eastern and Himalayan States/UTs: Centre-State contribution is 90:10.

Risks Covered

1. Standing Crop Losses

Provides area-based insurance against specified non-preventable risks.
These include drought, dry spells, floods, inundation, cyclones, hailstorms, lightning, pests and diseases.

2. Prevented Sowing

Farmers who incur cultivation expenditure but cannot sow because of adverse weather conditions can receive compensation.
Claims may extend up to 25% of the sum insured, subject to scheme conditions.

3. Post-Harvest Losses

Covers specified losses to harvested crops kept in the field in cut-and-spread/drying conditions.
Protection is available for up to 14 days after harvesting against specified cyclonic and unseasonal rainfall events.

4. Localized Calamities

Provides protection against certain farm-level losses caused by events such as Hailstorms, Landslides, Inundation, Cloudbursts, Natural fire, subject to prescribed conditions.

5. Major Exclusions

Losses arising from war, nuclear risks, riots, theft and other specified exclusions are generally outside the scheme.
Preventable, man-made or negligent losses and losses occurring outside notified areas/crops are also excluded.

Recent Progress

As of August 2026, Kharif enrolment covered: 241.38 lakh farmers and 278.12 lakh hectares
Andhra Pradesh, Jharkhand, West Bengal and Bihar have rejoined the scheme.
Uttar Pradesh recorded a significant 35% rise in participation.

Technology-Driven Implementation

1. National Crop Insurance Portal (NCIP):

Facilitates digital enrolment, subsidy management, coordination and information dissemination.
Integration with e-land records helps validate insured land.

2. Digiclaim Module:

Operational since Kharif 2022.
Enables transparent claim computation and settlement through NCIP and PFMS.

3. CCE-Agri App:

Digitises Crop Cutting Experiment data and facilitates its transmission for yield assessment.

4. YES-TECH:

Uses remote sensing and other technological tools for more reliable crop-yield estimation.
Initially applied to paddy and wheat and subsequently extended to soybean.

5. WINDS:

Uses Automatic Weather Stations (AWS) and Automatic Rain Gauges (ARGs) to generate hyperlocal weather information.

6. CROPIC:

Uses geo-tagged crop photographs to periodically monitor and validate crop conditions.

7. Krishi Rakshak Portal & Helpline (KRPH):

Provides farmers with a dedicated toll-free helpline – 14447 for complaints, assistance and grievance tracking.

8. LMS, AIDE and CLAP:

Digital platforms supporting enrolment, intermediary management, crop-loss assessment and faster claim processing.

PMFBY vs RWBCIS

1. PMFBY:

Primarily provides indemnity based on assessed crop-yield losses and specified insured risks.

2. Restructured Weather-Based Crop Insurance Scheme (RWBCIS):

Uses weather parameters as a proxy for crop damage.
Operates through defined Reference Unit Areas (RUAs).
Claims are triggered when notified weather variables cross predetermined thresholds.

Per Drop More Crop: Advancing Water-Smart Agriculture in India

Why in News?

India is strengthening water-efficient agriculture through the Per Drop More Crop (PDMC) initiative to improve irrigation efficiency, conserve groundwater and enhance agricultural productivity.
The approach combines micro-irrigation technology, precision farming practices and community-based water governance to optimise water use.

What is Water-Smart Farming?

Water-smart farming aims to maximise crop productivity while minimising water wastage, runoff, evaporation and deep percolation.

It combines:

Precision irrigation: Supplying water in measured quantities.
Smart agronomy: Maintaining appropriate soil moisture and matching irrigation with crop requirements.
Community governance: Promoting collective management of local water resources.

Micro-irrigation systems such as drip irrigation and micro-sprinklers deliver water directly to the plant root zone, improving water-use efficiency.

Why Does India Need Water-Smart Farming?

1. Groundwater Depletion

Conventional flood irrigation can result in substantial water losses and accelerate groundwater extraction.
A significant share of India’s groundwater assessment units is already experiencing over-exploitation or critical stress.

2. High Agricultural Water Demand

Agriculture accounts for more than 80% of India’s freshwater withdrawals, while a large proportion of cultivated land remains dependent on monsoon rainfall.

3. Climate Vulnerability

Increasing rainfall variability and unpredictable monsoons can destabilise agricultural production.
Maintaining controlled moisture around the root zone can reduce waterlogging and nutrient leaching, potentially improving crop productivity.

4. Low Efficiency of Conventional Irrigation

Flood irrigation suffers from considerable losses through evaporation, seepage and runoff.
Micro-irrigation can substantially improve the efficiency with which water reaches crops.

Per Drop More Crop (PDMC)

Origin: Introduced under the Pradhan Mantri Krishi Sinchayee Yojana (PMKSY).
Since 2022–23, PDMC has been implemented under Pradhan Mantri Rashtriya Krishi Vikas Yojana.
Core objective: Promote efficient water utilisation in agriculture through wider adoption of micro-irrigation.

1. Key Components

Financial assistance for Drip irrigation systems, Sprinkler and micro-sprinkler systems, Other micro-irrigation infrastructure
Support for complementary water-management infrastructure, including farm ponds and diggis, where applicable.

2. Financial Assistance

Small and marginal farmers: Up to 55% subsidy.
Other farmers: Up to 45% subsidy.
Higher unit-cost norms may be available for North-Eastern and Himalayan States.
Assistance is delivered through Direct Benefit Transfer (DBT) mechanisms.

3. Progress

By July 2026, micro-irrigation coverage under the initiative had expanded to around 8.11% of India’s net sown area.
The programme has reached a large number of smallholder farmers, with women constituting about one-fifth of beneficiaries.

Complementary Government Initiatives

1. Atal Bhujal Yojana

A ₹6,000-crore, World Bank-supported groundwater-management programme.
Promotes community participation and water budgeting in water-stressed regions across seven States.

2. Sahi Fasal Campaign

Launched by the National Water Mission in 2019.
Encourages farmers in water-stressed areas to adopt less water-intensive crops and efficient irrigation practices.

Key Challenges

1. High Initial Investment

Installation of drip and sprinkler systems requires substantial upfront expenditure.
Even with subsidies, credit-constrained small farmers may find adoption difficult.

2. Crop and Procurement Incentives

Continued support for water-intensive crops such as paddy and sugarcane can reduce farmers’ incentives to shift towards less water-demanding cropping patterns.

3. Distorted Electricity Incentives

Free or highly subsidised agricultural electricity can encourage excessive groundwater pumping by weakening the economic incentive for water conservation.

4. Maintenance Constraints

Drip systems can require regular maintenance because of mineral deposits, clogging and damage to lateral pipes, creating recurring costs for smallholders.

Legal Metrology (Indian Standard Time) Rules, 2026

Why in News?

The Department of Consumer Affairs has notified the Legal Metrology (Indian Standard Time) Rules, 2026 to establish Indian Standard Time (IST) as the uniform time reference for legal, administrative, commercial and official activities across India.
The rules will become effective 180 days after notification, providing stakeholders time to upgrade systems and infrastructure.

Key Provisions of the Rules

1. IST as the Common National Time Reference

The rules establish Indian Standard Time (IST) as the standard reference for Legal and administrative activities, Commercial transactions, Official records and communications, Digital and technology-enabled services.
A unified time standard can improve Time-stamping of banking and digital transactions; Synchronisation of railway, aviation and other transport systems; Reliability of telecommunication and internet networks; Coordination of critical infrastructure and digital governance systems.

2. Use of NavIC for Time Dissemination

The framework permits the use of NavIC (Navigation with Indian Constellation) and other approved Indian timing sources for secure dissemination of IST.
This can strengthen India’s strategic autonomy in positioning, navigation and timing infrastructure.

One Nation, One Time Initiative

The IST rules complement the government's “One Nation, One Time” initiative aimed at ensuring consistent and accurate time across India's digital and physical infrastructure.
A major component is the White Rabbit Technology-based IST Dissemination Demonstration Network.

White Rabbit Technology

The network was commissioned at the Regional Reference Standard Laboratory (RRSL), Bengaluru, in July 2026.
It demonstrated high-precision IST dissemination for sectors such as Banking, Telecommunications, Power, Transportation, Digital governance

How Does White Rabbit Work?

White Rabbit is an open-source, Ethernet-based technology designed for extremely precise clock synchronisation across distributed systems.
It continuously measures and compensates for signal transmission delays through optical fibre networks.
This enables connected devices to maintain highly precise temporal synchronisation, reaching nanosecond-level accuracy.

Global Standardisation

White Rabbit technology has been incorporated into the Precision Time Protocol (PTP) standards managed by the Institute of Electrical and Electronics Engineers (IEEE).
The technology was originally developed at CERN to synchronise thousands of electronic systems associated with experiments at the Large Hadron Collider (LHC).

Significance for India

Digital Economy: Accurate and uniform timestamps can improve the reliability of financial and digital transactions.
Critical Infrastructure: Precise synchronisation is important for power grids, telecommunications and transportation networks.
Cybersecurity: Trusted national timing infrastructure can reduce dependence on external timing sources.
Strategic Autonomy: Integration with NavIC strengthens indigenous Positioning, Navigation and Timing capabilities.
Governance: A common time reference can minimise discrepancies across government departments, businesses and institutions.
Emerging Technologies: High-precision timing is increasingly important for 5G/6G networks, smart grids, financial systems, autonomous systems and distributed computing.

Barrier Lake and Landslide Lake Outburst Floods (LLOFs)

Why in News?

Nepal is facing a renewed flood risk after a barrier lake reportedly formed near the Nepal–Tibet border.
The lake emerged after a glacier-related collapse generated ice and rock debris that obstructed the confluence of the Chhochen and Purepu Tsangpo rivers.

What is a Barrier Lake?

A barrier lake, also called a landslide lake, develops when material displaced by a landslide blocks the natural course of a river or stream.
Such blockages can be triggered by Earthquakes, Intense rainfall, Landslides, Glacier-related collapses, Rock or debris avalanches
Formation Process: Slope/Glacier Collapse → Debris Accumulation → River Blockage → Water Impoundment → Barrier Lake Formation
Because the debris barrier may lack a stable drainage outlet, water can progressively accumulate behind it.
If the barrier weakens or fails, the stored water can be released suddenly, producing a Landslide Lake Outburst Flood (LLOF).

Landslide Lake Outburst Flood (LLOF)

An LLOF occurs when a natural landslide dam holding back a river or lake collapses suddenly.
The resulting flood can travel rapidly downstream and carry Large quantities of water, Rocks and boulders, Sediment, Landslide debris.
Both phenomena can generate high-energy downstream flooding and secondary hazards such as landslides and infrastructure damage.

Feature	LLOF	GLOF
Cause	Failure of a landslide/debris dam	Sudden release from a glacial lake
Natural barrier	Landslide debris	Glacier, moraine or related glacial material
Main hazard	Rapid flood carrying debris and sediment	Sudden high-volume glacial flood
Trigger	Barrier collapse	Failure of glacial/moraine containment

Why are LLOFs Dangerous?

1. Sudden Release of Water

A failed landslide dam can discharge millions of cubic metres of water within a short period, producing destructive downstream flows.

2. High Debris Load

Unlike ordinary floods, LLOFs may transport substantial quantities of rocks, mud and sediment, increasing their destructive potential.

3. Cascading Hazards

Floodwaters can destabilise slopes and trigger secondary landslides, compounding the initial disaster.

4. Difficult Prediction

The lifespan of a landslide dam is highly uncertain.
Some barriers can collapse within days, while others may persist for years or even decades before failing.

5. Transboundary Risk

In the Himalayan region, rivers cross national boundaries. A sudden outburst upstream can therefore threaten downstream communities and infrastructure across borders.

Historical Example

One of the most severe recorded LLOF events occurred in 1786 in China's Sichuan Province.
An earthquake triggered a massive landslide that blocked the Dadu River.
The subsequent failure of the natural dam generated a catastrophic downstream flood.

Javelin Missile System

Why in News?

The Indian Army has signed a Letter of Offer and Acceptance (LOA) with the United States to procure Javelin missile systems through the Foreign Military Sales (FMS) mechanism.

About the Javelin Missile System

Type: Third-generation, man-portable Anti-Tank Guided Missile (ATGM).
Developers: Jointly developed by Lockheed Martin and Raytheon (RTX) of the United States.
Primary Role: Designed to neutralise tanks and other armoured vehicles.

Key Features

1. Fire-and-Forget Capability:

Equipped with an Imaging Infrared (IIR) seeker, allowing the missile to independently track its target after launch.
Enables the operator to relocate immediately after firing.

2. Operational Range:

Standard versions have an effective range of approximately 2.5 km.
Advanced variants can achieve ranges of up to 4 km.

3. Soft-Launch Technology:

Allows the missile to be launched with significantly reduced backblast.
Makes it suitable for firing from confined or enclosed positions.

4. Warhead:

Employs a tandem High-Explosive Anti-Tank (HEAT) warhead.
Designed to overcome Explosive Reactive Armour (ERA) fitted on modern armoured vehicles.

5. Attack Modes:

Top-Attack Mode: Strikes the relatively vulnerable upper surface of armoured vehicles.
Direct-Attack Mode: Engages targets along a more direct trajectory.

Significance for India

The acquisition would strengthen the Indian Army’s anti-armour capabilities, particularly against modern armoured threats.
It also complements India’s efforts to develop indigenous precision-guided anti-tank systems.

Indigenous Counterpart

India’s indigenous third-generation man-portable ATGM is the Man-Portable Anti-Tank Guided Missile (MPATGM).
The system has been developed by the Defence Research and Development Organisation (DRDO) as part of India’s drive towards Aatmanirbhar Bharat in defence.

CosmoCube Mission

Why in News?

CosmoCube, a proposed lunar-based space mission, could enable scientists to investigate the early universe by detecting extremely faint, low-frequency radio signals emitted more than 13.5 billion years ago.

About the CosmoCube Mission

1. Objective:

To study the early stages of the universe through the detection of very-low-frequency radio signals that are difficult to observe from Earth.

2. Lunar Location:

The spacecraft is proposed to operate on the far side of the Moon.
During each approximately two-hour orbit, it would remain on the lunar far side for nearly 40 minutes.

3. Mission Duration:

The proposed mission is expected to operate for around two years.

4. Data Collection:

It could accumulate nearly 1,000 hours of observations in extremely low-frequency radio bands.

How Will CosmoCube Work?

1. Radio Detection:

The spacecraft would carry a lightweight radio antenna designed to capture weak signals originating from the early universe.

2. Lunar Far-Side Advantage:

The Moon’s far side provides a relatively radio-quiet environment, helping reduce interference from Earth-based radio transmissions.

3. Interference Management:

Onboard systems would monitor and identify radio interference generated by the spacecraft itself.
Additional unwanted signals would be removed using mathematical modelling techniques.

4. Foreground Removal:

Radio emissions from nearby astronomical sources, particularly the Milky Way, can obscure primordial signals.
Computational models would therefore be used to distinguish and subtract these foreground emissions.

Nancy Grace Roman Space Telescope

Why in News?

NASA has launched the Nancy Grace Roman Space Telescope aboard a SpaceX Falcon Heavy rocket from Cape Canaveral, Florida.
The observatory is designed to explore black holes, exoplanets, supernovae, galaxies and the evolution of the universe.

About the Nancy Grace Roman Space Telescope

Named After: Nancy Grace Roman, NASA’s first Chief of Astronomy and one of the agency’s earliest women to occupy a senior leadership position.
Launch Vehicle: SpaceX’s Falcon Heavy.
Destination: The telescope is expected to operate approximately 1.6 million km from Earth.
First Images: Expected in early 2027.

Key Scientific Capabilities

1. Wide-field Observation:

Roman is designed to survey vast regions of the sky much faster than earlier space telescopes.
Its wide field of view will enable scientists to study large cosmic populations simultaneously.

2. High-volume Data Generation:

The telescope is expected to produce more than 500 terabytes of scientific data annually.
Its survey capabilities could dramatically accelerate astronomical research.

3. Major Areas of Research:

Black Holes: Study their distribution and behaviour across the universe.
Exoplanets: Search for and characterise planets beyond the Solar System.
Supernovae: Observe exploding stars to investigate cosmic expansion.
Galaxies: Examine billions of galaxies and their evolution.
Stars: Map and analyse enormous stellar populations.

Roman vs Hubble

Roman’s wide-field capabilities are expected to make certain large-scale surveys exceptionally efficient.
Observations that could take Hubble roughly a century may potentially be completed by Roman in about a month.

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Read Properly: Go through the 1 September 2026 Current Affairs to stay updated.
Make Notes: Summarize key points and important updates in your own words.
Link with Syllabus: Identify topics relevant to your exam and connect them with your syllabus.
Practice Daily Quizzes: Test your knowledge by taking daily quizzes based on 1 September 2026 Current Affairs.
Revise Often: Review the updates multiple times to boost your recall and confidence.
Discuss with Peers: Join discussions and share insights to deepen your understanding.

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