The district of Uttar Dinajpur (uttar = north ) came into existance on 1992-04-01 after the bifurcation of erstwhile West Dinajpur District.The District lies between latitude 25o11' N to 26o49' N and logitude 87o49' E to 90o00' E occupying an area of 3142 Sq. Km enclosed by Bangladesh on the East,Bihar on the West, Darjeeling District and Jalpaiguri District on the North and Malda District on the South. Uttar Dinajpur is well connected with the rest of the State through National Highways, State Highways and Railways. NH-31 and NH-34 passes through the heart of the district.
The regional topography is generally flat with a gentle southerly slope towards which the main rivers like Kulik, Nagar, Mahananda. The Distict forms a part of the basin lying between Rajmahal hills on the east. The older alluvium is estimated to be Pleistocene age. Uttar Dinajpur is bestowed with a very fertile soil.The soil is very rich in nature due to the alluvial deposition which helps to grow Paddy,Jute,Mesta and Sugarcane etc. Raiganj on the bank of the River Kulik is the District Headquarter where "Raiganj Wildlife Sanctuary", the second largest bird sanctuary in Asia situated.
In Uttar Dinajpur District there are 2 Sub-Divisions Raiganj and Islampur , 110Km apart from each other. There are 4 Municipalities,9 Blocks and 99 Panchayats covering 1577 villages.The total population is nearly 25 Lakh comprising mainly of rural masses.Bengali is the main language but a sizeable portion of Urdu and Hindi speaking people live in Islampur Sub-Division.
West Dinajpur District (dakshin=south) was created out of the erstwhile Dinajpur District in 1947 at the time of partition of India. The rest of the Dinajpur district is now in Bangladesh. The West Dinajpur district was enlarged in 1956 at the time of reorganisation of the State with the addition of some areas of Bihar. The district was bifurcated into Uttar Dinajpur and Dakshin Dinajpur on 01.04.1992. The erstwhile Balurghat Sub-Division along with Banshihari and Kushmandi Blocks (which were in Raigunj Sub-Division prior to the bifurcation) comprise the new district. The district is drained by a number of North-South flowing river like Atreyee, Punarbhaba, Tangon and Brahmani. It is predominantly an agricultural district with large area of land being under cultivation. Dakshin Dinajpur is a "Non Industry" district having no large scale industry. The first industry in medium scale sector got off to a start in the district in November, 2003. Transport and Communication facilities are not very satisfactory.New railway line has been laid between Eklakhi and Balurghat, the district headquarter. Train services has been started on 30.12.2004. There is one State Highway with only 3 KM of National Highway no. 34 falling within the district. Bengali is the principal language of the district. The principal communities are Hindus & Muslims and they constitute the major portion of the population.
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