Dhola-Sadiya bridge named after Bhupen Hazarika, 7 unknown facts. Prime Minister Narendra Modi inaugrates the longest bridge in India, located in Assam on the Brahmaputra river. The inauguration comes on the occasion of the government's 3 years in office. PM Modi named the Dhola-Sadia bridge after famous Assamese folk singer Bhupen Hazarika. The historic bridge will link Dhola to Sadiya in Tinsukia district of Assam. It is crucial from the strategic perspective as it is near to the Arunachal Pradesh border. Here are the 7 most important unknow facts you should know about the Dhola-Sadiya bridge.