Rowing across the lake and river is one of the activites which is done by the people living near the shore of river or the place where peoppe have to cross the large lake to perform the daily activities. Through this activity they are helping others as well as earning some money to support their family
From this activity , they earn enough to feed their family daily. In local language they are called 'Manjhi'. They have been doing this business from the very long period of time .