context: The origin of the Brahmaputra lies in the Jima Yongjung Glacier near the Kailash Range in the Himalayan Mountains, which is in the western part of Tibet. Then on the Assam flowing through the name of Dahang, it joins two big rivers namely Dibang and Lohit, and then it comes to the flat and its name is Brahmaputra. The Brahmaputra originated from the Manas Sarovar near the Kailash Range in the Himalayan mountains and flowed through Tibet and Assam and entered Bangladesh through Kurigram. Brahmaputra, turning south-east near Dewanganj in Mymensingh, flows through the Mymensingh district and falls into Meghna, south of Bhairabbazar.
question: Where is the source ground of the river Brahmaputra?