However, this waterlogging causes more problems in waterways for vehicles, fishing, or other farming. Before and after the independence of the country, various laws were introduced or changed at various times for the beginning of this Pontederia crassipes (Kochuripana) free Bengal (West Bengal).

Kochuripana is a floating aquatic plant, its English name is Common water hyacinth, scientific name Eichhornia crassipes, commonly known as কচুরিপানা .