Which of the following river is known as "Sorrow of Assam"?

The correct answer is Brahmaputra . About the Brahmaputra: The Brahmaputra river is originated from the southwest Tibet. In Tibet the Brahmaputra river originally known as the name Yarlung Tsangpo River. In India, Brahmaputra enters through the Arunachal Pradesh which is called Dihang . The river runs to the southwest across the Assam basin as the Brahmaputra and towards the south through Bangladesh as the Jamuna . The overall length of this mighty river is approximately 1,800 miles or 2,900 km. Map view of Brahmaputra river: Extra notes about Assam: Chief minister: Mr. Sarbananda sonowal. Governor: Jagdish Mukhi Capital: Dispur . Majuli is known as the largest river island in the world. In Assam, there is a village called Sualkuchi in Kamrup district, which is often dubbed as the “Manchester of Assam”, because of its huge cottage and textile industry. Assam is considered the state in terms of tea production in the whole world. Assam contributes more than half of the total percentage of the country’s total teaproduction. Assam is the first state in India where NRC (National register of citizenship) has been done.