Coal consumption and industrial clusters like Sonbhadra-Singrauli in Madhya Pradesh and Uttar Pradesh, Korba in Chattisgarh,
Talcher in Odisha, Chandrapur in Maharashtra, Mundra in Gujarat
and Durgapur in West Bengal were polluting the environment with Nitrogen Oxide emissions.
In the same time span, at least 40 tigers are believed to have been poached by organised gangs in Vidarbha, four‘problem' tigers were killed by the forest department in the last 10 years, several others had to be captured and sent to zoos or
rescue centres in Nagpur and Chandrapur, and many others were electrocuted to death.