Instead, China plans to divert the Brahmaputra northwards from Tibet. If so, the Ganga-Brahmaputra doab would dry up, and civilisation as we know it would end in North India. This is a national security issue of the highest order, and Indians ignore it at their peril.
Wars have been started over a lot less. Did you know that Bechtel is trying to gain monopolistic control over water rights high in the Andes?