!Dibrugarh district Dibrugarh is a district in the state of Assam in India. It is located between 27° 5' 38" N to 27° 42' 30" N latitude and 94°33'46"E to 95°29'8"E longitude, and is bounded by Dhemaji district and a part of Lakhimpur district in the north, part of Sivasagar district and Arunachal Pradesh in the south, Tinsukia district in the East and Sivasagar dist in the West. The river Brahmaputra flows throughout the North Western boundary of the district. Dibrugarh town is the district headquarters. It derives its name from the river Diboru and the word garh meaning fort. It occupies an area of 3381 sq km. Population of the district as per census 2011 was 1,327,748. There are 7 development blocks and 1362 villages in the district out of which 56 are uninhabited. Dibrugarh district came into existence in 1976 when it was carved out of Lakhimpur district. Dibrugarh district was split up in 1989 to form Tinsukia district. !!Vidhan Sabha Constituencies 115 ((Moran Vidhan Sabha Constituency)), 116 ((Dibrugarh Vidhan Sabha Constituency)), 117 ((Lahowal Vidhan Sabha Constituency)), 118 ((Duliajan Vidhan Sabha Constituency)), 119 ((Tingkhong Vidhan Sabha Constituency)), 120 ((Naharkatia Vidhan Sabha Constituency)), 121 ((Chabua Vidhan Sabha Constituency)), 122 ((Tinsukia Vidhan Sabha Constituency)), 123 ((Digboi Vidhan Sabha Constituency)), 124 ((Margherita Vidhan Sabha Constituency)), 125 ((Doom Dooma Vidhan Sabha Constituency)), and 126 ((Sadiya Vidhan Sabha Constituency))