In 1983 Darrang district was bifurcated. Tezpur sadar sub-division was named as Sonitpur district with an outlying sub-division at Biswanath Chariali. On 15th August, 2000, another sub-division namely Gohpur sub-division was carved out from the erstwhile Biswanath sub-division. This district is located on the nortern bank of River Brahmaputra between Longitude 92°16'East - 93° 43' East and Latitude 26°30'North - 27°01'North.
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