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,
Adi Ganga Adi Ganga Adi Ganga, also known as Gobindapur Creek, Surman’s Nullah and Tolly’s Nullah, was the main flow of the Hooghly River from the 15th to 17th century but has subsequently virtually dried up. The earlier course of the lower Ganges as it flowed through the Bhagirathi channel was somewhat different from what its flow at the beginning of the 21st century. At Tribeni, near Bandel, it branched into three streams. The Saraswati flowed in a south-westerly direction, past Saptagram. The Jamuna (not the same river as in north India or many streams of that name in eastern Bengal) flowed