Thermal power plants in,⚡💡(TPPs) around Delhi are major, persistent sources of pollution, releasing significant amounts of sulfur dioxide (SO₂) and particulate matter (PM), which form secondary pollutants, worsening Delhi-NCR's severe air quality, especially in winter, and contributing to smog, despite regulations often being delayed for installing necessary controls like Flue Gas Desulfurization (FGD) systems. These plants emit far more year-round SO₂ than seasonal stubble burning, highlightin