Water transport in Bangladesh

thumb|A kattumaram from Chennai, [[Tamil Nadu]] thumb|A kattumaram from Kerala Kattumaram () is a traditional Tamil watercraft used in the Coast of Southern India, Sri Lanka, and Bangladesh. They are characterized by being made from three to seven tree trunks tied together with fiber lashings and/or treenails. The lashings are not permanent and the individual tree trunks are commonly separated to dry under the sun when kattumaram are beached. Most kattumaram are rafts because they are not watertight and rely on the buoyancy of the individual logs. However, some types of kattumaram known as tep

government agency of Bangladesh