Halisahar is a city and a municipality of North 24 Parganas district in the Indian state of West Bengal. It is a part of the area covered by Kolkata Metropolitan Development Authority (KMDA). History Halisahar is believed to have existed from the early Middle Ages. It was earlier named Kumarhatta. It had also been the residence of Pachu Shakti Khan, the cavalry commander of Humayun. His successor, Savarna Roy Chowdhury were zamindars of 17th century Bengal and were the ones to sell the villages of Sutanuti, Kolkata and Gobindapur to English East India Company abiding by Farrukhsiyar's firman of 1717. In the 13th century, during the reign of Baktiyar Khilji it was known as Haveli Shahar (City of Palaces). In the 16th century, Abul Fazal's Ain-i-Akbari mentioned it as 'Halisahar'. The municipality was established in 1903. Geography Location With a total area of Halisahar forms a small part of the state of West Bengal. There is a significant difference in elevation across different localities of Halisahar. There are significantly large numbers of ponds in Halisahar. Most of them are shallow. Moreover, it is adjacent to the river Ganga and therefore, Halisahar has abundant with water resources. Halisahar falls under the earthquake zone 3. Halisahar is bounded by Char Nandanbati, Char Kancharpara and Kalyani, in Nadia district, on the north, Kanchrapara and Nanna on the east, Balibhara and Naihati on the south and the Hooghly River on the west. 96% of the population of Barrackpore subdivision (partly presented in the map alongside) live in urban areas. In 2011, it had a density of population of 10,967 per km2 The subdivision has 16 municipalities and 24 census towns. For most of the cities/ towns information regarding density of population is available in the Infobox. Population data is not available for neighbourhoods. It is available for the entire municipal area and thereafter ward-wise. All places marked on the map are linked in the full-screen map. Police station Halisahar police station under Barrackpore Police Commissionerate has jurisdiction over Halisahar Municipal area. Post office Halisahar has a sub-post office with PIN 743134 in the North Presidency Division of North 24 Parganas district in Calcutta region. Halisahar has many other Post Offices like- Nabanagar Sub-post Office (PIN 743136), Malancha Post Office (PIN 743135), Lalkuthi Post Office, Hazinagar Post Office. No other post office has the same PIN. Climate The main seasons are summer, rainy season, a