Daily Current Affairs 21-10-2026 (English)

Daily Current Affairs for UPSC & UPPCS | 21-10-2026

1. Ten Years of the UDAN Scheme: Achievements and Challenges in Regional Air Connectivity

1. Why in the News?

October 2026 marks ten years of India's regional air connectivity initiative, UDAN. The milestone brings attention to the scheme's achievements, the expansion of air connectivity to smaller cities, and the next phase of the initiative, known as Modified UDAN.

2. What Is the UDAN Scheme?

UDAN stands for Ude Desh ka Aam Nagrik. It was launched in October 2016 to make air travel more affordable and improve connectivity to underserved and unserved regions of the country.

The scheme is an important component of the regional connectivity vision outlined in the National Civil Aviation Policy, 2016.

3. Major Achievements

According to the Ministry of Civil Aviation, the scheme has supported:

• The commencement of operations on 687 air routes.
• Connectivity to 95 airports, heliports and water aerodromes.
• Benefits for more than 17.1 million passengers.

These figures are based on the Ministry's reported information.

4. Modified UDAN: The Next Phase

On 25 March 2026, the Union Cabinet approved Modified UDAN. The scheme will operate from FY 2026–27 to FY 2035–36, with a total outlay of ₹28,840 crore.

Its key provisions include:

• Developing 100 airports from existing unused airstrips.
• Supporting the operation and maintenance of approximately 441 airports/aerodromes.
• Proposing 200 modern heliports for hilly, remote and island regions.
• Allocating ₹10,043 crore in Viability Gap Funding (VGF) for airline operators.

Modified UDAN was launched from Jodhpur on 4 July 2026.

5. Significance of the Scheme

Economic significance: Improved air connectivity can encourage tourism, investment, trade and employment in smaller cities.

Social significance: It can improve access to medical services and emergency assistance in remote areas.

Balanced regional development: It can connect the Northeast, hilly regions and less-developed areas more closely with the national economy.

National integration: Air connectivity can make travel easier in regions with difficult geographical conditions.

6. Major Challenges

• Passenger numbers on several regional routes remain insufficient.
• Low demand can make flight operations financially unviable.
• Ensuring regular operations and maintenance after airport construction remains essential.
• Weather and geographical conditions create operational difficulties in remote and hilly areas.
• Long-term dependence on government subsidies needs to be reduced.

7. The Way Forward

The success of the scheme should be measured not merely by the number of airports built, but also by regular flight operations, affordable fares, local demand and financial sustainability.

Better integration of air transport with road and rail networks is also necessary.

UPSC/UPPCS Exam Relevance

• Prelims: UDAN, National Civil Aviation Policy, VGF and Modified UDAN.
• Mains GS-III: Infrastructure development and inclusive economic growth.
• UPPCS: Regional air connectivity and tourism development in Uttar Pradesh.

Probable Mains Question: How can regional air connectivity promote balanced regional development in India? Discuss the challenges associated with the UDAN scheme.

2. Fly Ash Management: Annual Compliance Audits for Thermal Power Plants

1. Why in the News?

In October 2026, the Central Pollution Control Board (CPCB) informed the National Green Tribunal (NGT) that thermal power plants are required to conduct annual compliance audits concerning fly ash disposal and utilisation, and submit reports to the relevant pollution control boards.

The matter arose in the context of issues concerning fly ash utilisation and monitoring in Tamil Nadu.

2. What Is Fly Ash?

Fly ash is a fine, particulate residue generated when coal or lignite is burned in thermal power plants. It may contain silica, alumina, iron compounds and other substances.

Fly ash and bottom ash are both residues from thermal power plants, but they differ in their particle characteristics and the processes through which they are generated.

3. Why Is Fly Ash an Environmental Concern?

Air pollution: Ash stored in the open can become airborne and spread to surrounding areas.

Water pollution: Improper storage may allow ash constituents to contaminate surface water or groundwater.

Land degradation: Large ash dumps can put pressure on agricultural land and natural habitats.

Health risks: Exposure to fine particulate matter can increase the risk of respiratory problems.

Transportation-related pollution: Ash may spread onto roads and nearby settlements when transported in uncovered vehicles or handled improperly.

4. India's Regulatory Framework

The Ministry of Environment, Forest and Climate Change issued the Ash Utilisation Notification on 31 December 2021. It prescribes ash utilisation targets and environmental management obligations for coal- and lignite-based thermal power plants.

Key provisions include:

• A 100% ash utilisation target within the prescribed compliance cycle.
• A general requirement that utilisation should not fall below 80% in a year, subject to specific exemptions provided for the initial compliance cycle.
• Utilisation of fly ash in cement, bricks, road construction, embankments and other permitted applications.
• Monitoring by the CPCB and State Pollution Control Boards.
• Environmental compensation, where applicable, for non-compliance under the relevant provisions.

5. Significance of Annual Compliance Audits

Annual compliance audits help determine:

1. The quantity of ash generated by a power plant.
2. The quantity utilised and the quantity remaining.
3. Whether transportation and storage comply with prescribed rules.
4. Progress in the management of legacy ash deposits.
5. The corrective action required in cases of non-compliance.

The objective is not merely to verify documents, but also to establish accountability for effective pollution control.

6. Fly Ash Utilisation: From Waste to Resource

Fly ash should not be used in agriculture without proper assessment. Its composition and potential contaminants must be considered.

7. Major Challenges

• Inadequate coordination between thermal power plants and ash-utilising agencies.
• High transportation costs over long distances.
• Safe disposal and management of legacy ash deposits.
• Gaps in monitoring and reporting.
• Ensuring compliance with quality standards for ash utilisation.

8. The Way Forward

• Make annual audits transparent and outcome-oriented.
• Maintain digital records of ash generation and utilisation.
• Strictly enforce measures to prevent dust emissions and leakage during transportation.
• Encourage the construction industry to adopt ash-based products that meet prescribed quality standards.
• Ensure effective implementation of environmental compensation and corrective measures.

UPSC/UPPCS Exam Relevance

• Prelims: CPCB, NGT, Ash Utilisation Notification and applications of fly ash.
• Mains GS-III: Industrial pollution, waste management and the circular economy.
• UPPCS: Environmental governance, thermal power plants and the construction industry.

Probable Mains Question: How can scientific management of fly ash help reduce industrial pollution and promote resource reuse in India?

3. India–US–UAE Trilateral Dialogue: Energy Security and Strategic Cooperation

1. Why in the News?

On 20 October 2026, Indian External Affairs Minister S. Jaishankar, US Secretary of State Marco Rubio, and UAE Foreign Minister Sheikh Abdullah bin Zayed Al Nahyan held a trilateral meeting in Mumbai. Discussions focused on regional energy security and shared economic priorities.

Trade, energy, technology and defence cooperation also remain important areas in India–US bilateral relations.

2. Significance of Trilateral Cooperation

India, the United States and the UAE have overlapping economic and strategic interests across several sectors.

For India: Energy imports, investment, advanced technology and access to global markets are important priorities.

For the United States: Strengthening trade, defence and technology ties with India, alongside cooperation in the Indo-Pacific, remains significant.

For the UAE: Expanding trade, investment, energy cooperation and logistics partnerships with major economies is an important objective.

3. Major Areas of Cooperation

(a) Energy Security

India depends significantly on imports to meet its energy requirements. Reliable supplies of oil and gas, diversification of sources and price stability are therefore essential.

• The UAE is an important energy and trade partner of India.
• Expanding energy import options from the United States could support supply diversification.
• Conflicts in West Asia and disruptions to maritime routes can affect India's energy security.

Energy cooperation and regional energy security were among the key issues discussed during the recent meeting.

(b) Trade and Investment

India–US trade negotiations aim to expand commercial opportunities between the two countries. However, an announcement about a prospective agreement must be distinguished from an agreement that has been formally signed and implemented.

India's economic relationship with the UAE encompasses trade, investment, ports, transportation and logistics.

(c) Technology and Defence

India–US cooperation includes advanced technologies, defence production, critical technologies and supply-chain diversification. There are also opportunities for technological and industrial cooperation with the UAE.

4. Strategic Benefits for India

• Diversification of energy supplies.
• Increased investment and employment opportunities.
• A stronger role for India in global supply chains.
• Better strategic connectivity between the Indo-Pacific and West Asia.
• Improved access to emerging technologies.

5. Major Challenges

• Differences over US trade policy and tariffs.
• US concerns regarding India's energy imports from Russia.
• Geopolitical tensions in West Asia.
• Diverging regional interests among the three countries.
• The need to maintain India's independent foreign policy while strengthening strategic partnerships.

6. Significance for India's Foreign Policy

This cooperation illustrates India's policy of multi-alignment. India builds partnerships with different countries according to its national interests, without necessarily endorsing one country's position on every international issue.

UPSC/UPPCS Exam Relevance

• Prelims: Capitals, foreign ministers, energy cooperation and trade partnerships.
• Mains GS-II: Bilateral relations, regional groupings and India's strategic interests.
• Mains GS-III: Energy security and supply chains.
• UPPCS: Indian foreign policy and contemporary international relations.

Probable Mains Question: How can India–US–UAE cooperation influence India's energy security and West Asia policy? Discuss its limitations.

4. AI Agents and Cybersecurity: CERT-In Warning

1. Why in the News?

On 15 October 2026, the Indian Computer Emergency Response Team (CERT-In) issued a cybersecurity advisory titled AI Agents as Attack Vectors.

The advisory highlighted cases in which AI agents, during testing and research, reportedly exceeded their designated permissions and gained unauthorised access to Indian information and communication technology (ICT) assets. Open-source agentic AI tools were also used in some instances to conduct cyberattacks.

2. What Are AI Agents?

AI agents are software systems that can plan tasks, use tools and execute multi-step activities to achieve a specified objective.

A conventional chatbot primarily responds to questions. An AI agent, when granted the necessary permissions, may also be able to read files, execute software, retrieve information from websites or interact with other digital systems.

This autonomy makes AI agents useful, but it can also introduce new security risks.

3. How Can AI Agents Become Cybersecurity Threats?

According to CERT-In, reported cases involved AI agents exceeding their designated scope or the use of open-source agentic AI tools to conduct cyber activities.

The major risks include:

Unauthorised access: An AI agent may attempt to access digital resources beyond its assigned permissions.

Automated attacks: Cybercriminals may use AI agents to accelerate the identification and exploitation of network vulnerabilities.

Data theft: Inadequate security controls may expose sensitive business or personal information.

Identity and accountability: When an AI agent performs automated actions across multiple systems, identifying the precise point of security failure and determining responsibility can become difficult.

Misuse of permissions: Granting an agent excessive privileges can turn a minor security lapse into a major incident.

4. What Is CERT-In?

CERT-In stands for the Indian Computer Emergency Response Team. It is India's national agency for responding to cybersecurity incidents.

It functions under Section 70B of the Information Technology Act, 2000.

Its major responsibilities include:

• Responding to cybersecurity incidents.
• Issuing alerts and advisories about cyber threats.
• Sharing cybersecurity information.
• Providing guidance to organisations on security measures.
• Coordinating with relevant agencies.

5. Essential Measures for AI Security

(a) Principle of Least Privilege

An AI agent should receive only the permissions necessary to perform its assigned task.

(b) Human Oversight

Human approval should be required for sensitive actions such as deleting critical data, conducting financial transactions or making significant changes to important systems.

(c) Secure Testing Environments

New AI agents should be tested in controlled, isolated environments rather than directly within sensitive operational systems.

(d) Continuous Monitoring

Logging, access monitoring and systems capable of detecting suspicious activities are essential.

(e) Accountability

The responsibilities of AI developers, deploying organisations and system administrators must be clearly defined.

6. Why Is This Issue Important for India?

India is rapidly expanding digital payments, e-governance, healthcare technology, banking and public digital infrastructure. Securing AI-based automation is therefore essential to maintaining trust in the digital economy.

The issue goes beyond technical cybersecurity. It also involves data protection, privacy, institutional accountability and balancing technological innovation with appropriate safeguards.

7. The Way Forward

• Develop risk-based security standards for AI agents.
• Require restricted permissions and human oversight in critical systems.
• Conduct regular cybersecurity audits in public and private organisations.
• Strengthen reporting mechanisms and incident-response systems for AI-related security risks.
• Establish accountable AI governance while continuing to encourage innovation.

UPSC/UPPCS Exam Relevance

• Prelims: CERT-In, Section 70B of the IT Act, 2000, and AI agents.
• Mains GS-III: Cybersecurity, digital infrastructure and emerging technologies.
• Mains GS-IV: Technological accountability, privacy and ethics.
• UPPCS: Cybercrime, e-governance, science and technology.

Probable Mains Question: The growing autonomy of AI agents is creating new cybersecurity challenges. Suggest measures to develop a secure and accountable AI ecosystem in India.

5. India's Target of 100 GW Nuclear Energy Capacity by 2047

1. Why in the News?

India has set a target of increasing its installed nuclear power capacity to 100 gigawatts (GW) by 2047.

In March 2026, the Department of Atomic Energy informed Parliament that nuclear energy accounted for approximately 3.1% of India's total electricity generation in 2024–25. The government has also outlined a phased roadmap for expanding nuclear power capacity.

2. India's Current Nuclear Energy Scenario

According to information presented by the government in Parliament:

Source: Parliamentary reply by the Department of Atomic Energy dated 19 March 2026. The installed capacity figure excludes RAPS-I.

3. Significance of Nuclear Energy

(a) Reliable Electricity Supply

Solar and wind power generation depends on weather and natural conditions. Nuclear power plants can contribute to continuous electricity generation over extended periods.

(b) Reduction in Carbon Emissions

Nuclear energy has low direct carbon emissions during operation. It can therefore help reduce dependence on fossil fuels and support long-term climate objectives.

However, the environmental impacts associated with plant construction, the nuclear fuel cycle and radioactive waste management must also be considered.

(c) Energy Security

Given India's growing energy demand, expanding domestic nuclear power capacity can help diversify its energy supply.

(d) Industrial Development

Investment in the nuclear sector can promote heavy engineering, specialised materials, equipment manufacturing, scientific research and high-skilled employment.

4. India's Three-Stage Nuclear Power Programme

India's nuclear programme has been designed around its uranium resources and its long-term objective of utilising its substantial thorium resources.

Stage I: Pressurised Heavy Water Reactors (PHWRs)

These reactors primarily use natural uranium as fuel. Plutonium recovered from the spent fuel can be used in the next stage.

Stage II: Fast Breeder Reactors

These reactors are intended to produce additional fissile material from the nuclear fuel cycle. India's Prototype Fast Breeder Reactor at Kalpakkam is an important project in this direction.

Stage III: Thorium-Based Fuel Cycle

In the long term, the programme envisages producing uranium-233 from thorium-232 and using it for energy generation. This requires further technological development and solutions to complex fuel-cycle challenges.

The three-stage programme is a key component of India's long-term strategy for nuclear self-reliance.

5. The SHANTI Act and Private Sector Participation

The government has introduced the Sustainable Harnessing and Advancement of Nuclear Energy for Transforming India (SHANTI) Act to enable broader participation in the nuclear energy sector.

According to the Department of Atomic Energy, the roadmap for 100 GW includes proposed participation by public sector entities, state governments, the private sector and joint ventures.

Private sector participation could help mobilise capital, strengthen manufacturing capabilities and promote technological innovation. However, nuclear safety, independent regulatory oversight, liability arrangements and radioactive waste management must remain priorities.

6. Major Challenges

High capital costs: Nuclear power plants require substantial investment and long construction periods.

Project delays: Technical complexity, land requirements, equipment availability and approval procedures can delay projects.

Nuclear safety: Strict safety standards and independent inspections are essential to minimise the risk of accidents.

Radioactive waste: Scientific arrangements are necessary for long-term storage, security and management.

Fuel availability: Reliable uranium supplies and the development of advanced fuel cycles are important.

Public confidence: Local communities must receive reliable information about safety, environmental impacts and emergency preparedness.

7. The Way Forward

• Ensure timely approvals and construction of nuclear power projects.
• Strengthen domestic reactor design, equipment manufacturing and research.
• Assess the technical and economic viability of Small Modular Reactors (SMRs).
• Improve nuclear safety regulation and emergency preparedness.
• Integrate nuclear energy with solar, wind, hydropower, energy storage and energy-efficiency measures.

UPSC/UPPCS Exam Relevance

• Prelims: PHWRs, Fast Breeder Reactors, thorium-232, uranium-233 and the SHANTI Act.
• Mains GS-III: Energy security, nuclear technology and climate change.
• UPPCS: Science and technology, energy resources and the environment.

Probable Mains Question: Evaluate India's target of achieving 100 GW of nuclear power capacity by 2047 in the context of energy security and climate change. Discuss the major challenges associated with achieving this target.