The government-owned coal-based thermal power plants are the biggest defaulters in controlling environment pollution in Sonbhadra.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/government-power-plants-flout-norms-pollute-sonbhadra
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-lucknow
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sonbhadra
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/thermal-power-plants
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/central-pollution-control-board-cpcb
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-environment-and-forests-moef
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/uttar-pradesh
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/common-effluent-treatment-plant-cetp
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cse
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mercury
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[16] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-pollution
[17] http://admin.indiaenvironmentportal.org.in/category/thesaurus/singrauli
[18] http://admin.indiaenvironmentportal.org.in/category/thesaurus/madhya-pradesh
[19] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-monitoring