Many excellent points raised ...

Many excellent points raised about the efficacy of clean up program for Ganges. I believe one should consider the aquatic life development within the River basin stretch under consideration after clean up too. I am not sure whether the clean up programs are considering the impact of pollutants released from the sediments after or during clean up. As a significant amount of pollutants might be present in the deposited sediments in the river bed, they may tend to release in the water column above. I have never seen any report on sediment studies on Ganges. Would love to see how polluted the sediments are and how can they affect the overall clean up task by becoming a source/pool of pollutants.