26th October 2025 – Current Affairs

by | Oct 28, 2025 | Current Affairs

1. National Blockchain Framework (NBF) – Science & Technolog

blockchain 1

Why in News?

The National Blockchain Framework (NBF) was officially launched in September 2024 by the Ministry of Electronics and Information Technology (MeitY) with a budget of ₹64.76 crore.
Its goal is to establish a unified, secure, and interoperable blockchain infrastructure to improve transparency, trust, and service delivery in governance.

What is the NBF?

A national-level architecture that allows ministries and state governments to build and deploy Blockchain-as-a-Service (BaaS) solutions in sectors like land records, pharmaceuticals, judiciary, and finance.

Key Components of NBF

ComponentPurpose
Vishvasya Blockchain StackModular infrastructure with open APIs for building governance-grade blockchain apps
NBFLiteTesting environment for startups and developers, includes pre-coded smart contract templates
Praamaanik AppMobile-based verification and authentication tool to improve digital trust and app security
National Blockchain PortalCentralized interface offering standards, use cases, and policies to promote blockchain adoption

Technology Overview

FeatureDetails
Permissioned BlockchainControlled access, enhances data security and trust for public systems
Interoperable SystemsEnables cross-sector and cross-departmental integration
Smart ContractsAllow automated, tamper-proof, rule-based digital workflows
Immutable LedgerEnsures data cannot be tampered with after entry, enhancing audit and transparency

Key Applications in Governance

Use CaseImpact
Certificate & Document ChainSecures govt-issued records (education, birth/death certificates); 34+ crore verifications done
Property ChainTransparent land transaction records, reduces disputes and fraud
Judiciary ChainImmutable tracking of judicial documents, e-delivery of court summons
ICJS IntegrationLinks police, court, and prison records for streamlined criminal justice system
Aushada Chain (Logistics)Tracks pharma supply chains to prevent fake drugs
Digital Rupee Pilot (RBI)Uses blockchain for secure, traceable CBDC transactions

Significance for India

  • Promotes digital trust and data integrity in government transactions

  • Encourages innovation and local blockchain startups

  • Helps in fraud prevention, particularly in land records, documents, and pharma

  • Advances cyber-resilient governance in line with Digital India 2.0

Exam Connect – Possible Questions

Prelims 

1. Which of the following statements is/are true about the National Blockchain Framework (NBF)?
1.It is based on a permissionless blockchain model.
2.It enables Blockchain-as-a-Service (BaaS) for government departments.
3.The Vishvasya Stack is part of its core architecture.
Options:
A. 1 only
B. 2 and 3 only
C. 1 and 2 only
D. 1, 2, and 3
Answer:  B. 2 and 3 only

2. What is the main purpose of the “Praamaanik” app under the NBF?
A. Financial transaction monitoring
B. Digital authentication and app verification
C. AI-powered judicial analysis
D. Digital payment interface
Answer:  B. Digital authentication and app verification

 Mains

1. “Blockchain technology can redefine trust and transparency in Indian governance.” Discuss the features and significance of the National Blockchain Framework in this context.

2. Examine the challenges in implementing blockchain solutions in public administration. What role can the National Blockchain Framework play in addressing these?


2. Deployment of Network Survey Vehicles (NSVs) by NHAI – Science and Technology

SteelRoad1

Why in News?

The National Highways Authority of India (NHAI) has announced the deployment of Network Survey Vehicles (NSVs) across 23 states to collect high-resolution, real-time data for systematic monitoring and maintenance of National Highways.

What are Network Survey Vehicles (NSVs)?

NSVs are high-tech, mobile infrastructure assessment tools equipped with advanced sensors, cameras, GPS systems, and data acquisition equipment.
They perform automated, non-invasive surveys of road infrastructure, identifying defects and design inconsistencies.

Key Components and Features

ComponentFunction
GPSPrecise geo-location mapping of road segments
High-Resolution CamerasVisual capture of cracks, potholes, edge failures
Laser ProfilersDetect surface undulations, rutting, and roughness
Distance Measuring Instrument (DMI)Accurate length measurement of surveyed roads
Inertial Measurement Unit (IMU)Tracks orientation and vibration for detecting structural anomalies
Video Image Processing (VIP)AI-assisted defect detection in road surfaces

Types of Defects Detected (13 in total)

  • Longitudinal and transverse cracks

  • Ravelling (erosion of surface)

  • Potholes and edge breaks

  • Surface roughness and rutting

  • Depressions, bleeding, and shoving

  • Pavement and shoulder damage

  • Drainage issues

Operational Details

FeatureDetails
Geographical SpreadNSVs deployed in 23 Indian states
Project CoverageAll 2-, 4-, 6-, and 8-lane highway projects
Survey FrequencyInitial baseline survey + every 6 months
Data StorageUploaded to NHAI’s AI-powered portalData Lake
Data UseEnables predictive maintenance, budgeting, and better asset management

Significance and Benefits

For Road Infrastructure

  • Proactive and data-driven maintenance

  • Early detection reduces repair costs and avoids major disruptions

  • Enhances service life of pavements

For Road Safety

  • Reduces accident risk due to sudden potholes or road cracks

  • Improves signage and drainage assessment

For Governance and Planning

  • Enables AI-based decision-making

  • Assists in tender preparation, project evaluation, and policy formulation

Exam Connect – Possible Questions

Prelims

1. The primary objective of deploying Network Survey Vehicles (NSVs) by NHAI is:
A. Conduct real-time traffic surveillance
B. Monitor forest road encroachments
C. Automate toll collection on highways
D. Assess the condition and inventory of national highways
Answer:  D. Assess the condition and inventory of national highways

2. Which of the following technologies is/are commonly integrated into Network Survey Vehicles (NSVs)?
1.GPS
2.Laser Profilers
3.Video Image Processing
4.Doppler Radar
Options:
A. 1 and 2 only
B. 2 and 3 only
C. 1, 2, and 3 only
D. All of the above
Answer:  C. 1, 2, and 3 only

Mains

1. “India’s road infrastructure needs intelligent systems to ensure durability and safety.” Examine the role of Network Survey Vehicles in strengthening highway governance and infrastructure quality.

2. Discuss how AI-integrated survey technologies like NSVs can improve infrastructure planning in climate-sensitive regions like Himachal Pradesh.


3. National Unity Day (Rashtriya Ekta Diwas) – Polity

527adc6fb525eacdc1fe769ce7846183 1

Why in News?

The Prime Minister of India will lead the National Unity Day celebrations at the Statue of Unity in Gujarat’s Narmada Valley on October 31, 2025, marking the 150th birth anniversary of Sardar Vallabhbhai Patel.

What is National Unity Day?

  • Observed on: 31st October every year

  • Started in: 2014 by the Government of India

  • Purpose:

    • To honor the legacy of Sardar Vallabhbhai Patel

    • To reaffirm India’s commitment to unity, integrity, and security

  • Celebrated through:

    • “Run for Unity” marathons

    • Unity pledges across government institutions, schools, and colleges

Sardar Vallabhbhai Patel: The Architect of Indian Unity

RoleContribution
Unifier of IndiaIntegrated 560+ princely states into the Indian Union post-Independence
Deputy Prime Minister (1947–1950)Managed Home Affairs, States, and Information & Broadcasting
Kheda Satyagraha (1918)Worked alongside Gandhi to support farmers during famine
Bardoli Satyagraha (1928)Led nonviolent resistance; earned the title ‘Sardar’ (Leader)
Municipal ReformerAs President of Ahmedabad Municipality (1924), improved civic infrastructure
Freedom Struggle LeaderPlayed a vital role in Civil Disobedience and Quit India Movement

Statue of Unity

  • Location: Narmada Valley, Gujarat

  • Unveiled: 31st October 2018

  • Height: 182 metres – the tallest statue in the world

  • Symbolism: Represents national integration and Sardar Patel’s legacy

Why National Unity Day Matters

SignificanceExplanation
Nation-BuildingReminds citizens of the monumental task of political unification post-Independence
Constitutional SpiritReinforces values of unity in diversity, federalism, and territorial integrity
Civic ResponsibilityEncourages youth to uphold unity amid rising polarisation and regionalism
Global MessageProjects India as a strong, diverse, and democratic nation

Exam Connect – Possible Questions

Prelims

1. National Unity Day commemorates the contribution of:
A. Dr. B.R. Ambedkar
B. Mahatma Gandhi
C. Sardar Vallabhbhai Patel
D. Subhas Chandra Bose
Answer:  C. Sardar Vallabhbhai Patel

2. Which of the following statements about the Statue of Unity is/are correct?
1.It is located in Gujarat’s Narmada Valley
2.It was inaugurated in 2018
3.It commemorates the life of Jawaharlal Nehru
Options:
A. 1 only
B. 1 and 2 only
C. 2 and 3 only
D. 1, 2, and 3
Answer:  B. 1 and 2 only

Mains

1. “Sardar Vallabhbhai Patel’s role in integrating princely states laid the foundation of modern India.” Examine his contribution to India’s post-Independence political integration.

2. Discuss the significance of National Unity Day in contemporary India. How can such commemorations help in strengthening constitutional values and federal unity?


4. What is Leachate? – Environment 

Leachate2

Why in News?

Environmentalists, wildlife activists, and local communities have petitioned the Union Ministry of Environment, Forest and Climate Change (MoEFCC) regarding the illegal discharge of untreated leachate into the Aravalli hills, raising alarm over the growing environmental and health risks from unregulated municipal solid waste (MSW) landfills.

What is Leachate?

Leachate is the toxic liquid that forms at the base of landfills due to the breakdown of organic waste, infiltration of rainwater, and chemical processes. It carries high concentrations of pollutants and must be treated to avoid groundwater, soil, and surface water contamination.

How is Leachate Formed?

SourceProcess
Rainwater infiltrationRain seeps into the landfill, dissolving contaminants
BiodegradationOrganic waste decomposes and releases liquids
Chemical reactionsInteractions between waste materials form complex pollutants

Composition of Leachate

CategoryExamples
Organic matterAmmonia, COD, BOD, volatile fatty acids
Inorganic compoundsChlorides, sulfates, nitrates, bicarbonates
Heavy metalsLead, mercury, cadmium, arsenic
PathogensColiform bacteria, viruses, fungi

Note: Composition varies with landfill age, waste type, weather, and moisture levels

Environmental & Health Hazards

  • Groundwater contamination (especially dangerous in unlined or open landfills)

  • Spread of pathogens into nearby ecosystems

  • Harm to wildlife and biodiversity, especially near protected areas like the Aravalis

  • Public health risks: cancers, birth defects, skin and respiratory disorders

  • Toxicity in soil, affecting agriculture and food safety

Regulatory Framework in India

RegulationRelevance
Solid Waste Management Rules, 2016Mandates leachate treatment before discharge
Water (Prevention & Control of Pollution) Act, 1974Penalizes water contamination from leachate
Environment (Protection) Act, 1986Empowers MoEFCC to act against ecological threats
CPCB GuidelinesProvide protocols for leachate monitoring and treatment

Leachate Treatment Technologies

MethodDescription
Collection tanks & linersCollect leachate using impermeable membranes
Biological treatmentUses bacteria to break down organic matter
Physico-chemical treatmentCoagulation, flocculation, neutralization
Constructed wetlandsNature-based filtering systems
Reverse osmosisRemoves dissolved solids for advanced treatment

Case: Aravalis and the Leachate Crisis

  • The Aravalli Range is an ecologically sensitive zone crucial for:

    • Groundwater recharge

    • Biodiversity

    • Acting as a barrier against desertification

  • Illegal dumping and leachate discharge threaten:

    • Forest health and wildlife corridors

    • Water bodies and aquifers in NCR and Haryana

    • Livelihoods of tribal and rural communities

Exam Connect – Possible Questions

Prelims

1. What is “leachate” in the context of solid waste management?
A. A type of pesticide used to reduce landfill pests
B. A nutrient-rich organic compost made from wet waste
C. A toxic liquid formed from decomposing waste in landfills
D. A chemical additive used in landfill lining
Answer:  C. A toxic liquid formed from decomposing waste in landfills

2. Which of the following pollutants are commonly found in landfill leachate?
1.Heavy metals
2.Organic compounds
3.Pathogenic bacteria
Options:
A. 1 and 2 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2, and 3
Answer:  D. 1, 2, and 3

Mains

1. “Leachate from municipal landfills poses one of the most serious environmental risks in urban India.” Discuss the causes, impacts, and policy measures for effective leachate management.

2. Examine the challenges of solid waste management in ecologically sensitive zones like the Aravallis and Himachal Pradesh. Suggest sustainable waste handling and leachate mitigation strategies.


5. The Mirage of Port-Led Development in Great Nicobar – Economy

great nicobar project india 092845463 16x9 0

Why in News?

A proposed transshipment port at Galathea Bay in Great Nicobar is being promoted as part of India’s maritime resurgence. However, multiple economists, environmentalists, and logistics experts have raised serious concerns about its economic viability, logistical feasibility, and strategic redundancy.

Project Overview: Galathea Bay Port

  • Goal: To establish a mega transshipment hub to compete with ports like Singapore, Colombo, and Klang

  • Promoted by: NITI Aayog and Ministry of Ports, Shipping and Waterways

  • Total Project Area: Approx. 166 sq. km (includes airport, township, and container port)

  • Location: Great Nicobar Island, over 1,200 km from Indian mainland

Key Issues & Critical Analysis

Flawed Assumption of “Build It and They Will Come”

  • Modern port success depends not just on physical infrastructure but also on:

    • Established cargo bases

    • Carrier loyalty

    • Efficient hinterland connectivity

  • Example: Vallarpadam Port (Kerala) received heavy investment but remains underutilized.

Lack of Industrial Hinterland

  • Great Nicobar lacks:

    • Manufacturing zones

    • Logistics hubs

    • Stable EXIM cargo flow

  • This forces reliance on feeder services, increasing operational costs and reducing competitiveness.

Geographical Isolation

  • Located far from the Indian mainland and away from existing economic corridors.

  • Risk of becoming a “geopolitical outpost” rather than a viable trade hub.

Strategic Redundancy

  • The INS Baaz naval base already provides military surveillance in the region.

  • Mixing military and commercial use poses:

    • Security risks

    • Operational conflicts

    • Compromises in civil-military coordination

Environmental and Tribal Impact

  • Project area overlaps with biodiversity-rich tropical forests and is home to the Shompen tribe, a Particularly Vulnerable Tribal Group (PVTG).

  • Risk of ecological damage, displacement, and violation of environmental laws.

Why Port-Led Development Can Fail Without Ecosystem Support

Success FactorsGreat Nicobar’s Status
Cargo BaseAbsent
Industrial HinterlandNone nearby
Carrier AlliancesNot established
Road/Rail ConnectivityIsolated
Logistics Cost EfficiencyHigh due to remoteness

Way Forward / Recommendations

  • Focus on upgrading existing ports with underutilized capacity like Vishakhapatnam, Cochin, and JNPT

  • Enhance coastal connectivity, not just port infrastructure

  • Avoid mega projects in ecologically sensitive and strategically delicate regions

  • Prioritize environmental clearance, public consultation, and economic viability studies

Exam Connect – Possible Questions

Prelims

1. The proposed transshipment port at Galathea Bay is located in:
A. Lakshadweep
B. Andaman Island
C. Great Nicobar Island
D. Katchatheevu Island
Answer:  C. Great Nicobar Island

2. Which of the following is a key requirement for a successful transshipment port?
1.Industrial hinterland
2.Strategic location on shipping lanes
3.High-volume cargo base
4.Coastal tourism facilities
Options:
A. 1, 2, and 3 only
B. 2 and 4 only
C. 1 and 3 only
D. All of the above
Answer: A. 1, 2, and 3 only

Mains

1. “Port-led development is not just about infrastructure but about building a complete ecosystem.” Critically analyze this statement in the context of the proposed Galathea Bay Port in Great Nicobar.

2. Evaluate the economic, ecological, and strategic concerns surrounding the development of large-scale infrastructure in ecologically sensitive zones like Great Nicobar.


6. International Convention against Doping in Sport – International Relations

image 13 1

Why in News?

India has been re-elected as Vice-Chairperson of the Bureau for the Asia-Pacific Region (Group IV) during the 10th Session of the Conference of Parties (COP10) to the International Convention against Doping in Sport, reflecting India’s growing role in global sports governance and commitment to clean sport ethics.

About the Convention

FeatureDetails
ObjectiveTo combat doping in sport through international cooperation and harmonization of national anti-doping policies
Adopted byUNESCO at its 33rd General Conference on 19 October 2005
Came into Force1 February 2007
Membership192 State Parties (UNESCO’s 2nd most ratified convention)
Monitoring BodyConference of Parties (COP) – meets every 2 years to review implementation

Key Features of the Convention

Legal Framework for Anti-Doping

  • Encourages states to align national laws with international anti-doping standards

  • Recognizes the World Anti-Doping Agency (WADA) as the global standard-setter

Positive Implementation Approach

  • Emphasizes capacity building over penalization

  • Supports states through guidance manuals, technical assistance, and training programs

Funding Mechanism: Anti-Doping Fund

  • Used to support awareness campaigns, especially in developing countries

  • Promotes research, education, and community-level advocacy against doping

India’s Role and Significance

  • India’s re-election to the Asia-Pacific Bureau reflects:

    • Active participation in global sports governance

    • Commitment to anti-doping norms

    • Growing credibility in organizing clean sporting events

  • Agencies involved:

    • National Anti-Doping Agency (NADA)

    • Sports Authority of India (SAI)

    • Ministry of Youth Affairs and Sports

Why Doping is a Global Concern

AreaImplications
HealthLong-term physical and psychological damage to athletes
Integrity of SportErodes public trust and the principle of fair competition
LegalTriggers international disputes and disqualification in global tournaments
Global ImageAffects a country’s reputation in international sports

India – Challenges and Way Forward

Challenges:

  • Limited testing capacity (though improving)

  • Lack of awareness at grassroots level

  • Influence of performance pressure on youth athletes

Way Forward:

  • Invest in WADA-accredited labs and transparent processes

  • Strengthen NADA’s independence and enforcement powers

  • Integrate anti-doping awareness into school and university sports programs

  • Promote clean sport campaigns in local languages

Exam Connect – Possible Questions

Prelims

1. The International Convention against Doping in Sport was adopted under the aegis of:
A. World Health Organization (WHO)
B. International Olympic Committee (IOC)
C. United Nations Educational, Scientific and Cultural Organization (UNESCO)
D. World Anti-Doping Agency (WADA)
Answer: C. UNESCO

2. Which of the following statements is/are true about the International Convention against Doping in Sport?
1.It is legally binding on all signatory states.
2.It recognizes WADA as the standard-setting body for anti-doping regulations.
3.India is not a signatory to the Convention.
Options:
A. 1 and 2 only
B. 2 and 3 only
C. 1 and 3 only
D. All three
Answer:  A. 1 and 2 only

Mains

1. “India’s re-election to the Bureau of the International Convention against Doping in Sport reflects its growing stature in global sports diplomacy.” Discuss the significance of this development in the context of global and national anti-doping efforts.

2. Examine the challenges of enforcing anti-doping regulations in developing countries. How can international cooperation and treaties strengthen national frameworks?