Indus river- is a major river in Asia which flows through Pakistan. It also has courses through western Tibet ganges river -The Ganges was ranked as the fifth most polluted river of the world in 2007 bramhaputra-  one of the major rivers of Asia. Majuli is the Riverine island formed by River Brahmaputra in Assam in India. The godavari- is the second longest river in India after the river Ganges. It starts in Maharashtra and flows for 1,465 kilometres (910 mi) into the Bay of Bengal via the states of Telangana and Andhra Pradesh.