Twenty districts in the north, northwest and central parts of the country have been inundated so far and fresh areas are likely to be submerged in the next 48 hours, flood forecasters said on Friday. Monsoon became active again over the north and north-east and south and south-east parts of Bangladesh and adjoining Indian states, they said adding that the Brahmaputra-Jamuna and the Meghna river systems continued rising. The Brahmaputra-Jamuna system registered fresh rise, aggravating the flooding in the north, while the Meghna will keep rising for the next couple of days and Ganges system, which remained steady, will also start rising again from Saturday inundating fresh areas, according to a bulletin of the Flood Forecasting and Warning Centre issued at 6:00pm Friday. The onset of flooding has also reached the capital and the situation in the low lying areas in the city