Where did ganga brahamaputra basin originated?

The Ganga-Brahmaputra Basin originated in the Tibetan Plateau, which is located in the Himalayas. The basin is fed by the melting snow and glaciers of the Himalayas, which are the highest mountains in the world. The Tibetan Plateau is also the source of many other major rivers in Asia, including the Indus, Salween, and Mekong Rivers.