Bangladesh is called a land of rivers as it has about 700 rivers including tributaries. Usually the rivers flow south and serve as the main source of water for irrigation and as the principal arteries of commercial transportation. The rivers also provide sweet water fish, an important source of protein. A large segment of population is thus engaged in the fishing sector. On the other hand, widespread riverbank erosion and regular flooding of the major rivers cause enormous hardship and destruction of resources hindering development. But it is also true to say that the river system brings a huge volume of new silt to replenish the natural fertility of the agricultural land. Padma, Meghna, Jamuna, Surma, Brahmaputra, Shtolokkha, Buriganga, Kusiara, Gomti are worth mentionable river in Bangladesh.