Northeast Frontier Railway, abbreviated as the NFR, is an important zone of Indian Railways. This belt of Indian Railway basically serves the transportation needs of the northeastern states of India. Headquartered at Guwahati, Northeast Frontier Railway serves Bihar, some parts of West Bengal and North Eastern India. The divisions of Northeast Frontier Railway are Lumding, Alipurdaur, Tinsukia, Katihar and Rangiya.

The railway zones of the Indian Railways were modernised in the year 1953 and during this period, Avadh - Tirhut Railway and Assam Railway were brought together to create North Eastern Railway. Later in 1958, Northeast Frontier Railway was created out of the North Eastern Railway. The General Manager and his assistant - additional General Manager administer northeast Frontier Railway.

Northeast Frontier Railway has made some significant achievements since its formation. Northeast Frontier Railway has successfully completed its track-linking project in Agartala-Jogendranagar-Jirania-Brigudaspara route. Again in the Katihar-Jogbani GC Project of Northeast Frontier Railway, this branch of Indian Railway attained significant success. The Senchoa-Silghat GC project of Northeast Frontier Railway and the project of Siliguri Diesel Shed experienced a successful completion. Northeast Frontier Railway has completed the project of sick line shed and freight examination facilities at New Bongaigao. Northeast Frontier Railway has proved to be supreme at its services in the north eastern region of India, ever since its formation.