Duliajan is an industrial town located in Dibrugarh District in the upper north-east corner of India. The town is around 45 km east of Dibrugarh City. It is especially known for its oil-related industry, Oil India Limited, one of the nation's biggest oil and gas organizations is headquartered in Duliajan and in Duliajan there was additionally other focal government possessed organizations like B.C.P.L organization of gas saltine and polymer, N.E.P.C.O is another organization which produces power,
B.F.C.L. is another organization of gas generation and change, and the Shivani organization which is India's biggest privately owned business for penetrating and Assam Gas Company Limited, which completes business identified with petroleum gas in India, claimed by the Government of Assam. Duliajan got its name from "Dulia" signifying "palanquin-bearers" of the Ahom rulers and "Jan" signifying "a waterway stream". The Ahom rulers, otherwise called Swargadeos, were exceptionally attached to chasing in the Upper Dihing woodlands. The Swargadeos would travel by water crafts from their capital of Gargaon and Rangpur in Sivasagar area down the Dikhow waterway to the powerful Brahmaputra, at that point push uptream, enter the Dihing waterway and end at the mouth of the stream close Tipling-Ghat in show day Duliajan.