stack height norms GSR 742E

Environment (Protection) Fourth Amendment Rules, 2025: SO₂ Standards Updated for Thermal Power Plants Introduction: Regulatory Flexibility Meets Environmental Accountability In response to technological limitations, economic feasibility, and stakeholder feedback, the Ministry of Environment, Forest and Climate Change has amended the Environment (Protection) Rules, 1986. The latest update—Environment (Protection) Fourth Amendment Rules, 2025—was notified on 11…