The Brahmaputra Valley is a region situated between hill ranges of the eastern and northeastern Himalayan range in Eastern India. The valley consists of the Western Brahmaputra Valley covering the regions of Goalpara and Kamrup; the Central Brahmaputra Valley region covering Darrang, Nagaon and the North Bank and Eastern Brahmaputra Vall…The Brahmaputra Valley is a region situated between hill ranges of the eastern and northeastern Himalayan range in Eastern India. The valley consists of the Western Brahmaputra Valley covering the regions of Goalpara and Kamrup; the Central Brahmaputra Valley region covering Darrang, Nagaon and the North Bank and Eastern Brahmaputra Valley comprising districts of Sonitpur, Lakhimpur, Dibrugarh and Sibsagar. The Teesta River in North Bengal also drains into Brahmaputra River.