18 April 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 exams.

Marine Heatwaves (MHWs) & Tropical Cyclones

Context

• Marine heatwaves act as “high-octane fuel” for tropical cyclones, increasing their intensity, damage, and unpredictability.

What are Marine Heatwaves (MHWs)?

• Periods when sea surface temperature (SST) exceeds the 90th percentile of historical data
• Must persist for ≥ 5 consecutive days
• Driven by Global warming, Weak ocean mixing, Atmospheric circulation anomalies

What is a Tropical Cyclone?

• A warm-core, low-pressure system forming over tropical oceans
• Characterised by Strong winds, Heavy rainfall, Spiral cloud bands
• Called Hurricane (Atlantic) and Typhoon (Pacific), when winds exceed 119 km/h
• Cyclones derive energy from ocean heat → Warmer ocean = Stronger cyclone

Impact of MHWs on Tropical Cyclones

1. Higher Disaster Probability

• Cyclones over MHWs are 1.6× more likely to become billion-dollar disasters

2. Increased Economic Damage

• Cause ~93% higher damage than normal cyclones

3. Rapid Intensification

• Sharp increase in wind speed (≥ 30 knots in 24 hours) makes forecasting and evacuation difficult

4. Extreme Rainfall

• 12% higher precipitation leads to Flash floods and Inland flooding

5. Rising Exposure

• 52% of landfalling cyclones now pass through MHW zones

6. Regional Hotspots

• North Indian Ocean, Gulf of Mexico, Caribbean Sea

Why MHWs Intensify Cyclones (Mechanism)

1. Enthalpy Flux (Heat Transfer)

• Warm oceans increase latent + sensible heat transfer → fuels storm energy

2. Deep Thermocline Effect

• Heat penetrates deeper → prevents mixing with cooler water
• Cyclone does not weaken easily

3. Thermodynamic Efficiency

• More heat → stronger convection & pressure drop
• Results in Faster wind speeds and Stronger storms

4. Vortex Stabilisation

• Continuous heat strengthens eyewall structure makes cyclone more stable against wind shear

5. Longer Fuel Supply

• Sustained warm waters → cyclone remains intense over longer distances

6. Ventilation Resistance

• Prevents intrusion of cool, dry air and Maintains the storm’s warm core integrity

Recusal of a Judge

Context

• A recusal plea was raised by Arvind Kejriwal before the Delhi High Court alleging bias in judicial proceedings.

What is Recusal?

• Recusal refers to a situation where a judge withdraws from hearing a case due to possible bias or conflict of interest.
• Objective: Ensure Fair trial, Judicial impartiality and Public confidence in judiciary
• Core Principle: Based on the doctrine: “Nemo judex in causa sua” (No one should be a judge in their own cause)
• Also reflects the rule: Justice must not only be done but must also be seen to be done

Grounds for Recusal (Types of Bias)

1. Personal Bias

• Relationship, hostility, or personal connection with parties

2. Financial Interest

• Direct or indirect monetary stake in the outcome

3. Prior Involvement

• Judge previously acted as Lawyer, Advisor and Witness in the same matter

4. Subject-Matter / Ideological Bias

• Strong preconceived views affecting neutrality

Test Applied

Reasonable Apprehension of Bias

• Whether a fair-minded observer would believe There is a real likelihood of bias

Legal Framework in India

1. No Codified Law

• No specific statute governs recusal, Based on Judicial conventions and Case law

2. Judicial Discretion

• Decision lies solely with the concerned judge; Parties can request recusal, but cannot enforce it

3. Judicial Precedents

• Supreme Court of India has evolved principles: Recusal must balance Judicial independence and Need for impartiality

Bangalore Principles of Judicial Conduct (2002)

• Endorsed by the United Nations (2006)
• Key values: Independence, Impartiality, Integrity, Propriety, Equality, Competence
• Recusal is linked to Maintaining impartiality and public trust

Key Issues & Concerns

1. Lack of Transparency

• Judges often do not provide reasons for recusal

2. Forum Shopping

• Parties may seek recusal to get a favourable bench

3. Judicial Accountability vs Independence

• Excessive recusal → delays justice
• Refusal to recuse → may affect fairness perception

Criminalising Doping Networks in India

Context

• India is shifting from athlete-centric punishment to targeting supply chains of doping substances.
• Initiative linked to Operation Upstream led by World Anti-Doping Agency in collaboration with agencies like the Central Bureau of Investigation.

Operation Upstream

• A global intelligence-driven initiative targeting Production, Trafficking and Distribution of doping substances

1. Key Achievements

• 250+ raids, 1.8 billion doses seized, 88 illegal labs shut, Operations across 20 countries

2. Agencies Involved

• World Anti-Doping Agency (lead), INTERPOL, Europol, National agencies like CBI

Existing Anti-Doping Framework in India

1. Nature of Offence

• Doping is treated as a Disciplinary violation, Not a criminal offence

2. Key Institutions

• National Anti-Doping Agency: Testing athletes, Investigations, Imposing sanctions

3. Legal Basis

• National Anti-Doping Act, 2022: Gives statutory backing to anti-doping rules aligns India with WADA Code

4. Sanctions Framework

• Suspension / bans, Disqualification of results, Monetary penalties; No imprisonment provisions

Key Gap in Current System

• No criminal liability for Suppliers, Traffickers, Coaches / support staff
• Focus is only on athletes, not the ecosystem

About World Anti-Doping Agency

• Established: 1999
• Objective: Promote clean sport globally
• Key Functions: Issues World Anti-Doping Code, Accredits testing laboratories, Monitors compliance of national bodies, Increasing focus on Intelligence-based enforcement

Significance of Criminalisation

1. Tackles Root Cause

• Moves beyond punishing athletes and Targets supply-side networks

2. Organised Crime Lens

• Recognises doping as Illicit trade network and linked with black markets

3. Strong Deterrence

• Criminal penalties (jail, fines) discourages Suppliers and Facilitators

4. Global Alignment

• Aligns India with Evolving global anti-doping strategies

Govt Notifies Women’s Reservation Act

Context

• Ministry of Law & Justice issued a gazette notification (16 April 2026) to operationalise the Constitution (106th Amendment) Act 2023.
• Aims to fast-track implementation before the 2029 Lok Sabha elections.

Key Provisions

1. Reservation Scope

• 33% reservation for women in Lok Sabha, State Legislative Assemblies and Delhi Legislative Assembly

2. Sub-Quota

• Within SC/ST reserved seats, 1/3rd reserved for women of those categories

3. Rotation

• Reserved constituencies: Rotated periodically across elections

4. Duration

• Initially valid for 15 years, Extendable by Parliament

Major Change in 2026 Notification

1. Earlier Condition

• Implementation dependent on Next Census (post-2026) and Subsequent delimitation would delay implementation till ~2034

2. New Approach (2026)

• Census condition relaxed: Parliament can choose census data (e.g., 2011 Census) enables immediate operationalisation

Link with Delimitation Reform

1. Related Bill

• Constitution (131st Amendment) Bill 2026

2. Key Proposal

• Increase Lok Sabha seats: 543 → 850 seats
• Facilitate Women’s reservation and Better population representation

3. Objective of Early Implementation

• Ensure women’s political representation before 2029 elections
• Avoid delays due to Census uncertainty and Time-consuming delimitation process

Significance

• Political Empowerment: Enhances women’s participation in law-making
• Inclusive Governance: Better representation of Women’s issues and Gender-sensitive policies
• Social Impact: Encourages Women’s leadership and Political awareness
• Structural Reform: Moves from symbolic commitment → actual implementation

Concerns & Criticism

• Federal Imbalance: Use of 2011 Census may Distort current population realities and affect state-wise representation
• Delimitation Concerns: Redrawing constituencies may Trigger political disputes and Impact regional power balance
• Rotation Issue: Frequent rotation may discourage long-term constituency development
• Bypassing Census Debate: Raises concerns about Data legitimacy and Democratic fairness

Automotive Industry Consensus on CAFE-III Norms

Context

• Government and automobile industry reached consensus on Corporate Average Fuel Efficiency (CAFE) Phase III norms.
• To be implemented from April 1, 2027.

What is CAFE?

Corporate Average Fuel Efficiency (CAFE)

• A regulatory framework that sets average fuel efficiency / CO₂ emission limits for a manufacturer’s entire vehicle fleet.
• Objective: Reduce emissions from the transport sector.

Key Features of CAFE-III

1. Emission Targets

• Current limit: 113 g CO₂/km
• Target: 78.9 g CO₂/km

2. Timeline

• Effective from 2027, Provides ~5-year transition period for manufacturers

3. Gradual Compliance Curve

• Year-on-year tightening instead of sudden cuts
• Prevents disruption in Production cycles and Supply chains

4. Credit Trading Mechanism

• Manufacturers exceeding targets: Earn efficiency credits and Can sell to non-compliant firms; Creates a market-based compliance system

5. Super Credits for EVs

• Electric vehicles count as multiple units in fleet calculation
• Strong incentive for EV adoption and Green mobility transition

6. Structural Parity (Weight-Based Relaxation)

• Small cars receive weight-based concessions, Ensures Affordability and Protection of entry-level vehicle segment

Objectives

• Reduce carbon emissions from transport sector
• Promote Fuel-efficient vehicles and Electric mobility
• Align with India’s climate commitments (NDCs)

India’s First Chip Fabrication Plant

Context

• Ministry of Commerce & Industry has notified India’s first semiconductor fabrication SEZ at Dholera (Gujarat).
• Project led by Tata Semiconductor Manufacturing in partnership with a Taiwanese firm.

Key Features of the Project

1. Location

• Dholera Special Investment Region (SIR), Gujarat
• Strategically part of the Delhi–Mumbai Industrial Corridor (DMIC)

2. Production Focus

• Semiconductor chips for Automotive sector, Artificial Intelligence, Data storage, 5G telecom

3. Strategic Objective

• Reduce import dependence, Build domestic semiconductor ecosystem, Strengthen electronics manufacturing value chain

4. Policy Linkage

• Aligned with India Semiconductor Mission (ISM)

About Special Economic Zones (SEZs)

1. Definition

• Duty-free enclaves treated as foreign territory for Trade, Tariffs and Duties

2. Legal Framework

• Special Economic Zones Act 2005

3. Key Features

• Tax incentives, Simplified regulations, Export-oriented production

4. Recent Reform (2025)

• Land requirement for semiconductor SEZs: Reduced from 50 hectares → 10 hectares enables faster setup of chip fabs

5. India’s SEZ Landscape

• First EPZ: Kandla (1965), Total SEZs: ~368, Employment: 31+ lakh

World Haemophilia Day

Context

• Observed annually on 17 April to raise awareness about haemophilia and inherited bleeding disorders.
• Led by the World Federation of Hemophilia.
• Theme (2026) “Diagnosis: First Step to Care”

About Haemophilia

1. Definition

• A rare inherited genetic disorder where blood fails to clot properly due to lack of clotting factors.

2. Genetic Nature

• X-linked recessive disorder
  Affects Males (more common) and Females usually carriers

3. Why called “Royal Disease”?

• Spread among descendants of Queen Victoria seen in European royal families

4. Symptoms

• Prolonged bleeding after injury, Internal bleeding (joints, muscles), Easy bruising, Spontaneous bleeding in severe cases

Disease Burden

1. Global

• 75% remain undiagnosed

2. India

• 2nd largest haemophilia population globally
• Affects ~1 in 10,000 males

3. Treatment

• Factor Replacement Therapy (main treatment)
• New approaches: Gene therapy (emerging) and Non-factor therapies

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