Dhaka, Aug. 22 -- Bangladesh looks on as its upstream neighbours China and India kept up their efforts to build dams to unilaterally control the water flow in the trans-boundary river Brahmaputra, the lifeline of water supply during the dry season.

Accounting for 70 per cent of all natural water flow during the dry season, which covers winter and a part of pre-monsoon time, the Brahmaputra is essential for Bangladesh's economic activities, which substantially depend on agriculture, sustaining millions of people fighting poverty tooth and nail.

China is actively pursuing the world's single-largest hydroelectric project with plans to re-route 70 per cent of the Brahmaputra's water to generate 60 GW of electricity, more than double the cur...