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.