West Bengal has 37,660 sq. km flood-prone region spread more than 111 blocks where the aggregate topographical zone of the state is 88,752 sq. km. An investigation of the insights of the flood that happened amid most recent 58 years (from 1960 - 2017) demonstrates that lone on 5 events the state has not confronted any serious flood. The aggregate crushed region crossed 20,000 sq. km in 4 distinct years and the flood of medium size i.e. between 2,000 to 10,000 sq. km. happened on 10 occasions.
The Flood of West Bengal has extraordinary attributes. Substantial precipitation at starting point or catchment's zones of primary flooding streams of this state cause flood. However, these territories are essentially lying outside this state. The West Bengal is overwhelmed by water from bordering states or nations.
Anything in the flood plains will get immersed. building built of earth, weak establishments and dissolvable materials will fall jeopardizing people and their property. Cellars of structures are under hazard. Utilities, for example, sewerage, water supply, communication lines, and power are put in danger. Food stock in the godowns, horticultural fields, domesticated animals, vehicles, hardware and supplies mounted on the ground, fishing boats are additionally put in danger.