Following an investigation in August, Assam's Pollution Control Board found the oil industry had for more than four decades been destroying resource-rich areas through deforestation and preventing tree regeneration by not cleaning up spillages.
Pollution control officials also found that oil companies were contaminating groundwater by dumping sludge in ponds and polluting a major river by discharging untreated effluents, posing health risks to millions of people.
"For
