Water levels in 12 rivers stations, monitored by Flood Forecasting and Warning Centre (FFWC), have marked rise and 80 stations recorded fall.
Among the 94 monitored water level stations, one is steady, a bulletin issued by FFWC said on Wednesday.
All the major rivers are flowing below their respective danger levels.
The Brahmaputra-Jamuna, the Ganges-Padma and the Upper Meghna basin rivers are in falling trend which may continue in next 72 hours, reports BSS.