1.1.1. Location Sonitpur district is spread over an area of 5324 sq. Kms. on north bank of Brahmaputra river. In terms of area Sonitpur is the second largest district of Assam after Karbi Anglong district. Boundaries: North: The state of Arunachal Pradesh. South: Morigaon, Nagaon, Jorhat and Golaghat districts. East: Lakhimpur District. West: Darrang District. (Pachnai river serves as the boundary) The District lies between 26° 30’N and 27° 01’N latitude and between 92° 16’E and 93° 43’E longitude. Located between mighty Brahmaputra River and Himalayan foothills of Arunachal Pradesh, the district is largely plain with some hills. Brahmaputra River forms the south boundary of the district. A number of rivers which originate in the Himalayan foothills flow southwards and ultimately fall in Brahmaputra River.  Tea Garden Patches Figure 6: LANDSAT ETM+ showing the tea garden patches |