Brahmaputra basin shared by China, India, Bangladesh and Bhutan , covers an area of 651,335 sq. km., is the home to about 118 million people. The river carries an average annual sediment load of about 400 million metric tons at Pandu (Assam) which is mostly used as an aggregate material for construction purposes. Deforestation and construction of embankments has altered the riverine ecosystem drastically, ...