CURRENT AFFAIRS | 4 APRIL 2026
CLAT GK + ENVIRONMENTAL LAW & CONSTITUTIONAL LAW
• Article 21 — Right to clean environment as part of Right to Life
• Article 48A — DPSP on environment protection
• MC Mehta v. Union of India — CNG mandate precedent
• Environment Protection Act 1986, GRAP, CAQM Act 2021
• BS VI emission norms and pollution control framework
What Happened: Delhi’s Comprehensive Winter Pollution Plan
The Delhi Chief Minister has unveiled an ambitious Winter Action Plan 2026 to combat the capital’s recurring air pollution crisis. The plan mandates that only BS VI-compliant, CNG, or electric goods vehicles will be permitted to enter Delhi during the winter months, marking the most aggressive vehicular emission control measure in the city’s history.
Key highlights of the plan include:
- 62 pollution hotspots identified for targeted decongestion measures
- 13,760 heavy commercial vehicles to be diverted away from Delhi through bypass routes
- Strict enforcement of BS VI emission norms for all goods vehicles entering the capital
- Expansion of CNG and electric vehicle infrastructure at entry points
- Real-time monitoring through CAQM (Commission for Air Quality Management) dashboards
Constitutional and Legal Framework
– Article 21 — Right to Life includes right to clean environment (expanded interpretation by SC)
– Article 48A — DPSP directing the State to protect and improve the environment
– Article 51A(g) — Fundamental Duty of citizens to protect the natural environment
– Article 253 — Parliament’s power to legislate for implementing international environmental treaties
Key Legislation:
– Environment Protection Act 1986 — Umbrella legislation post-Bhopal tragedy
– Air (Prevention and Control of Pollution) Act 1981
– Commission for Air Quality Management Act 2021 — Statutory body for NCR air quality
– Motor Vehicles Act 1988 — Emission standards enforcement
Landmark Case: MC Mehta v. Union of India
The current policy builds on the landmark MC Mehta v. Union of India series of cases where the Supreme Court directed mandatory CNG conversion for all public transport vehicles in Delhi between 1998 and 2002. This was one of the earliest instances of judicial activism in environmental protection, where the Court invoked Article 21 to mandate clean fuel usage.
The Court established that the right to breathe clean air is an integral part of the Right to Life under Article 21, setting a precedent that continues to guide environmental policy in India.
GRAP and CAQM Framework
The Graded Response Action Plan (GRAP) operates as a tiered emergency response system:
- Stage I (Poor, AQI 201-300) — Dust mitigation, parking fees hike
- Stage II (Very Poor, AQI 301-400) — Diesel generator ban, construction restrictions
- Stage III (Severe, AQI 401-450) — Non-BS VI diesel vehicle ban, school closures
- Stage IV (Severe+, AQI above 450) — Complete vehicle restrictions, emergency measures
The CAQM Act 2021 replaced the earlier EPCA (Environment Pollution Control Authority) with a permanent statutory commission having overriding powers over state pollution control boards in NCR matters.
| Hotspots Identified | 62 |
| Heavy Vehicles Diverted | 13,760 |
| Vehicle Standard Required | BS VI / CNG / EV only |
| CAQM Act | 2021 |
| EPA Enacted | 1986 |
| BS VI Implementation | April 1, 2020 |
• Article 21 expansion — SC’s interpretation linking clean air to Right to Life is a favourite CLAT topic
• DPSP vs Fundamental Rights — Article 48A (environment) being read with Article 21 shows DPSP-FR harmony
• Judicial activism — MC Mehta case is a classic example tested in legal reasoning sections
• Federalism angle — CAQM overriding state bodies raises Centre-State jurisdiction questions
• Polluter Pays Principle — Vellore Citizens case (1996) frequently tested in CLAT
C — CAQM Act 2021
L — Landmark MC Mehta case
E — EPA 1986
A — Article 21 (Right to Life)
N — National Clean Air Programme (NCAP)
A — Article 48A (DPSP)
I — India leapfrogged to BS VI
R — Right to clean environment = Fundamental Right
Source: The Indian Express — 4 April 2026
Practice Quiz
Practice Quiz — 10 CLAT-Style Questions
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