In which state does the Brahmaputra River enter after taking a 'V' turn at Namcha Barwa?

The Brahmaputra River Originates from the chemayungdung glacier of the Kailash range near Mansarovar Lake located in Tibet. Flowing towards the east parallel to the Himalayas, it takes a U turn from 'Namcha Barwa' mountain Peak and enters Arunachal Pradesh of India From here it flows through Assam and Bangladesh and Joins the Bay of Bengal