Dam over Yarlung Zangbo
The Brahmaputra, a trans-boundary river flows within the Brahmaputra Sub-basin, which is part of the Ganga-Brahmaputra basin. Both the rivers discharge into the Bay of Bengal. The Brahmaputra and its major tributaries have a catchment area of 580000 sq. km according to a World Bank report. About 50% of the basin lies within the Chinese territory and 33.6 % lies within the Indian territory. The rest lies in Bhutan and Bangladesh. There are over eight sub-sub basins within Indian, Bhutan territories contributing a significant amount of water to the river. The surface run-off in the Brahmaputra varies from 3,244 m3/s in March (mostly due o glacial melt) to 44,752 m3 /s in July (due to the Indian Monsoon). The rain-fall within these eight sub-basins varies from 1000 to 4000 mm/year while the tributaries of Tsangpo River (Yarlung Zangbo, River Brahmaputra as it is known in Tibet), lying within the Tibetan plateau receives an annual rain-fall about 100-400 mm/y. Th