THE BENGAL ALLUVION AND DILUVION REGULATION, 1825

In consequence of the frequent changes which take place in the channel of the principal  rivers that intersect the Provinces immediately subject to the Presidency of Fort Willima, and the Shifting of the sands which lie in the beds of those rivers, chars or small islands are often thrown up by alluvion in the midst of the stream or near one of the banks, and large portions of land are carried away by an encroachment of the river on one side, whilst accessions of land are at the same time, or in subse quent years, gained by dereliction of the water on the opposite side; similar instances of alluvion, encroachment and dereliction also sometimes occur on the sea - coast which borders the southern and south  – eastern limits of Bengal.