Brahmaputra River branch, which contains the majority of the river's flow, continues due south as the Jamuna () to merge with the lower Ganga, called the Padma River (). The eastern branch, formerly the larger, but now much smaller, is called the lower or old Brahmaputra (). It curves southeast to join the Meghna River near Dhaka. The Padma and Meghna converge near Chandpur and flow out into the Bay of Bengal. This final part of the river is called Meghna. The Brahmaputra enters the plains of Bangladesh after turning south around the Garo Hills below Dhuburi, India. After flowing past Chilmari,
National Ganga River Basin Authority decision under River Ganga (Rejuvenation, Protection and Management) Authorities Order 2016 for a new body named "National Council for River Ganga (Rejuvenation, Protection and Management)" NCRG to replace existing NGRBA. The new body will act as an authority replacing the existing National Ganga River Basin Authority for overall responsibility for superintendence of pollution prevention and rejuvenation of river Ganga Basin. It was established by the Central Government of India, on 20 February 2009 under Section 3(3) of the Environment Protection Act, 1986, which also declared Ganges as the "National River" of India. The Prime Minister is the chair of the