CD Block, most of the district is a part of the catchment area of the Mahanada and also a part of the larger Barind Tract The soil is composed of different varieties of alluvium. The main rivers are: Nagar, Mahananda, Kulik, Gamari, Chhiramati (Srimati) and Tangon. The rivers have little water in the dry season but with heavy rains, during monsoon, overflow the banks. The Nagar river flows along the international border with Bangladesh on the east of Islampur CD Block. The Sanauna, Dalaucha and Raba rivers flow through Islampur CD Block. Islampur CD Block is bounded by Potha CD Block in Kishanganj district of Bihar and Chopra CD Block on the north, Atwari Upazila of Panchagarh District of Bangladesh and Baliadangi Upazila of Thakurgaon District of Bangladesh on the east, Goalpokhar I CD Block on the south and Kishanganj CD Block in Kishanganj district of Bihar on the west. Approximately 206 km of the India-Bangladesh border is in Uttar Dinajpur district. It covers the eastern boundary of the district. On the western side Uttar Dinajpur district has 227 km boundary with Bihar. Islampur CD Block has an area of 329.44 km2.It has 1 panchayat samity, 13 gram panchayats, 178 gram sansads (village councils), 101 mouzas and 101 inhabited villages. Islampur police station serves this block. Headquarters of this CD Block is at Islampur. Uttar Dinajpur district is one of the smaller districts in the state and stands 15th in terms of area (3,140.00 km2) in the state. Gram panchayats of Islampur block/ panchayat samiti are: Agdimti-Khanti, Gaisal I, Gaisal II, Gobindapur, Gunjaria, Islampur, Kamalagaon-Sujali, Matukunda I, Matikunda II, Panditpota I, Panditpota II, Ramganj I and Ramganj II. Demographics Population As per the 2011 Census of India, Islampur CD Block had a total population of 308,518, all of which were rural. There were 158,933 (52%) males and 149,586 (48%) females. Population below 6 years was 57,788. Scheduled Castes numbered 52,418 (16.99%) and Scheduled Tribes numbered 8,032 (2.60%). As per 2001 census, Islampur block had a total population of 241,910, out of which 124,368 were males and 117,542 were females. Islampur block registered a population growth of 30.70 per cent during the 1991-2001 decade. Decadal growth for the district was 28.72 per cent Large villages (with 4,000+ population) in Islampur CD Block were (2011 population in brackets): Phulhara (11,113), Ramganj (4,660), Kamlagaon (4,316), Purbba Gomaidighi (11,982), Kuchila (9,549), Dohaso (13,323), Barakhanti