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,
Madu Ganga Madu Ganga The Madu Ganga is a minor watercourse which originates near Uragasmanhandiya in the Galle District of Sri Lanka, before widening into the Madu Ganga Lake at Balapitiya. The river then flows for a further a before draining into the Indian Ocean. The Buddhist Amarapura Nikaya sect had its first "upasampada" (higher ordination ceremony) on a fleet of boats anchored upon it in 1803. The Buddhist Kothduwa temple is situated on an isolated island in the lake. Together with the smaller Randombe Lake, to which it is connected by two narrow channels, it forms the Madu Ganga wetland. Its