The Union water resources ministry is engaged in efforts to improve sewage treatment facilities in towns along the river. It has also asked over 3,400 units to install instruments to record in real time their emissions and waste discharges. The scientists have pointed out that about 70 per cent of the pollution in the river is from domestic sewage. Some estimate that about 80 per cent of sewage discharged into the country's rivers is untreated or inadequately treated. Environmental scientists say the river has remained polluted despite a three-decade long clean-up effort that cost over Rs 3,000 crore.

Source: The Telegraph May 16, 2016 00:29 UTC