GS2
Governance
15 marks
“Beijing’s success in reducing air pollution offers important lessons for India’s fight against urban smog.” Discuss the key elements of Beijing’s approach and examine how these can be adapted to improve air quality in the National Capital Region (NCR).
Beijing’s dramatic improvement in air quality over the past decade — driven by regulatory action, technological interventions and cross-sector coordination — offers useful lessons for India’s National Capital Region (NCR). While policy transfer requires contextual adaptation, several core elements can strengthen India’s fight against urban smog.
Strong Regulatory Framework and Enforcement
Targeted Source Control
Transport Sector Reforms
Monitoring and Transparency
Financial Commitment
Urban Greening and Spatial Planning
Strengthen Regulations and Local Enforcement
Transport-First Strategy
Target Coal and Thermal Emissions
Improve Monitoring and Public Information
Fiscal Measures
Regional Coordination
Beijing’s lessons — rigorous enforcement, transport electrification, targeted industrial controls, monitoring and sustained funding — remain highly relevant for the NCR. However, success in India will depend on regional coordination, cleaner power supply, political commitment and adequate social safeguards. An adapted, phased strategy combining immediate transport and enforcement measures with medium-term energy and industrial reforms can substantially reduce urban smog in the NCR.
GS3
Environment & Ecology
18 Dec, 2025
Mangroves exhibit unique cellular and physiological adaptations that enable them to survive in high-salinity environments. Discuss. How can these adaptations be leveraged to address agricultural challenges in saline-prone regions?
GS3
Science & Technology
Yesterday
How do Srinivasa Ramanujan’s mathematical discoveries find relevance in modern theoretical physics? Illustrate with examples.
GS2
Governance
16 Dec, 2025
Discuss the significance of the government’s decision to mandate pre-installation of the Sanchar Saathi app on all new smartphones from March 2026. How does this measure strengthen mobile security and address challenges related to IMEI spoofing and digital fraud in India?
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