District houses thermal power plants, coal mines, chemical factory

The Sonbhadra district of Uttar Pradesh is precariously perched on the threshold of an environment disaster with a new study having found high levels of mercury in the environment as well as in the bodies of local residents. Sonbhadra, which is co-terminous to Madhya Pradesh, Chhattisgarh, Jharkhand and Bihar, is the second largest district in the State after Lakhimpur Kheri.