Section 38V of Wildlife (Protection) Act 1972 provides that Tiger Reserve should be inviolate. 643 sq km area of Nagarhole National Park is declared as core critical tiger habitat, prior to the promulgation of the "The Scheduled Tribes and other Traditional Forest Dwellers (Recognition of Forest Rights) Act 2006". Though the relocation of people from inside Nagarhole National Park is in progress since 1998-99, yet nearly 1700 families still resided in the park at the time of recognition of rights under the said Act.

Studies on physico-chemical parameters of underground mine water, OCP direct discharge water and sump water of Urimari, Sayal 'D' Block, Khas Karanpura area and Bhurkunda area of South Karanpura Coalfield of Central Coalfields Limited, a subsidiary of Coal India Limited were carried out in 2004-05 and 2005-06 in all the three seasons, namely summer, monsoon and winter.

Studies on physico-chemical parameters of underground mine water, OCP direct discharge and sump water of Bhurkunda Colliery of South Karanpura Coalfield of Central Coalfields Limited, a subsidiary of Coal India Limited were carried out in 2004 and 2005 in all the three seasons, namely summer, monsoon and winter.