
NFR, which is one among the 17 railway zones in India, operates fully and partially in six of the eight northeastern states, excluding Meghalaya and Sikkim, as well as in seven districts of West Bengal and five districts of north Bihar. This year's budget has allocated ₹650 crore for doubling of the New Bongaigaon-Agthori (via Rangiya) and ₹610 crore for the New Bongaigaon-Goalpara Guwahati section. Similarly, the Digaru-Hojai doubling work has been allocated ₹100 crore and New Mainaguri-Gumanihat doubling work ₹110 crore. Among the new projects, Sivok-Rangpo project (44.96 km) has been allocated ₹1,100 crore, Tetelia-Byrnihat project allocated ₹101 crore and ₹300 crore has been allocated for the Agartala-Akhaura (Bangladesh) project to link Indian Railways with the Bangladesh railway network.