Dipor Bil, Dispur, Assam India

Dipor Bil, also spelt Deepor Beel (Bil or Beel means "lake" in the local Assamese language), is located to the south-west of Guwahati city, in Kamrup district of Assam, India It is a permanent freshwater lake, in a former channel of the Brahmaputra River, to the south of the main river. It is also called a wetland under the Ramsar Convention which has listed the lake in November 2002, as a Ramsar Site for undertaking conservation measures on the basis of its biological and environmental importance.

Considered as one of the largest Beels in the Brahmaputra valley of Western Assam, it is categorised as representative of the wetland type under the Burma Monsoon Forest biogeographic region.

The Dipor Bil is reported to provide, directly or indirectly, its natural resources for the livelihood of fourteen indigenous villages (1,200 families) located in its precincts. Freshwater fish is a vital protein and source of income for these communities; the health of these people is stated to be directly dependendent on the health of this wetland ecosystem.

It is claimed that Beel was an important dockyard of the Tai-Ahom as well as the Mughals. The medieval history reports of Ahom-Mughal conflicts. It is also stated that Kampitha and Rambrai Syiemship (the supreme political authority is known as the Syiemship in Meghalaya had control over this area.