Purbasthali is a village with a police station and a rail station in Purbasthali II CD block in Kalna subdivision of Purba Bardhaman district. It is located 120 km north from Kolkata. Also known as Chupi Char, it lies on the banks of a large oxbow lake created by the Ganges river and is only 8 km from the old and holy town of Nabadwip. The 2–3 km long lake attracts migrants and water birds. The Purbasthali area has a fairly high level of arsenic in the ground water. And this place was popular for teaching ancient language Vedic Sanskrit, The famous & oldest educational institution in this village is "Purbasthali Nilmani Brahmachari Institution" which was founded in the year of 1887 by Dr. (Prof) sir Upendranath Brahmachari. Geography Location Purbasthali lies close on the Tropic of Cancer. Purbasthali is a large block with a number of villages adjoining a large oxbow lake, created by the river Ganga, on its Western bank, in Purba Bardhaman district of West Bengal. It is 120 km north from Calcutta. On the Eastern bank of the river lies the old and holy town of Nabadwip. The entire Gangetic Isle complex of Purbasthali extends between the geographical coordinates from 88° 19' 45" to 88° 22' E longitude and 23° 26' to 23° 26'45" N latitude. Police station Purbasthali police station has jurisdiction over parts of Purbasthali I and Purbasthali II CD Blocks. The area covered is 180.3 km2. Physiography Purbasthali is located on the agriculturally rich alluvial plains between the Bhagirathi, Ajay and Damodar rivers. Temperatures in this region varies from 17-18 °C in winter to 30-32 °C in summer. The whole area of Purbasthali is covered with greenery, fruit-gardens, flower-gardens and agricultural fields producing a considerable amount of vegetables and fruits for export. Purbasthali region is located in the flood plains two major rivers Damodar and the Ganga. The wetland with the river course form a half moon shape between Nabadwip and Purbasthali . Topographic configuration is the typical monotonously low dipping Gangetic plain of West Bengal with an average height of 14 metres above mean sea level. During monsoon river gets flooded, with the water level within the wetland getting higher and under heavy rains the enclosed islands get submerged. The area is extremely rich in alluvial soil content. Hence an intense agriculture is practiced on both sides of the river. Main crops