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,
Ganga Dussehra Ganga Dussehra Ganga Dussehra, also known as Gangavataran, is a Hindu festival celebrating the "avatarana" (descent) of the Ganges. It is believed by Hindus that the holy river Ganges descended from heaven to earth on this day. Ganga Dussehra takes place on Dashami (10th day) of the waxing moon (Shukla Paksha) of the Hindu calendar month Jyeshtha. The festival celebration lasts ten days, including the nine days preceding this holy day. Ganga Dussehra is observed by Hindus mainly in the states of Uttar Pradesh, Uttarakhand, Bihar, and West Bengal, where the river flows. Haridwar, Varanasi, Garhmukteshwar, Rishikesh, Allahabad, and Patna