Bordumsa is a town in Changlang district of Arunachal Pradesh, India. The inhabitants living in this area belong mainly to the Singpho tribe. In Bordumsa circle one can also find people belonging to the Tai-Khampti and Tai-Khamyang tribe who live in harmony with each other. Also few families belonging to the Tai-Phake tribe can be found in Lalung village. Bordumsa's population is 29,347 and its elevation is 140 meters. Bordumsa is part of the Bordumsa-Diyun Assembly constituency and is accessible by buses and private transports like jeep and taxi that run daily from Digboi (the nearest population center), Tinsukia and Dibrugarh. It is also accessible through Mahadevpur (via Old Mohong, New Mohong). The main interest in Bordumsa is the tea plantation which consists of more than hundreds of hectares of land, but another place of interest is the huge Buddha Mandir which is located in Goju, directly opposite to the minister's residence. There is a huge statue of Buddha at the town square, next to the Shiv Mandir. The town square is always busy as the higher secondary school and all major shops are located nearby. The people of this town are very religious and participate in all festivals with vigour, be it a Hindu festival or any tribal feast. The word 'Bordumsa' came from two words; 'Bor' means 'Big' and 'Dumsa', which is one of the family titles of the Singpho Tribe; the original inhabitant of that place. Members of the Dumsa clan still can be found in good numbers. One can find so many tribes in Bordumsa such as Singpho (majority), Khamti,Tangsa, Nocte, Khamyang, Adivasis etc.