Tea gardens and the Himalayas, a combination that is quite heady but then that is what Dibrugarh is at first sight. Heady. Located along the river Brahmaputra sometimes it is referred to as the gateway to some districts of Arunachal Pradesh. It is the largest tea-exporting town in India. In Dibrugarh one can go around the tea gardens that are located in and around the town. A large number of tea estates are located along NH-37 covering large area of Dibrugarh district