The Numaligarh Refinery Limited (NRL) is located in:

Golaghat
Guwahati
Dhubri
Bongaigaon

The Numaligarh Refinery Limited (NRL) is located in Golaghat district of Assam, India. It is a public sector undertaking under the Ministry of Petroleum and Natural Gas. The refinery was commissioned in 1994 and has a capacity of 3 million tonnes per annum (MTPA). It is the first refinery in India to be set up in a public-private partnership. The refinery produces a range of products, including petrol, diesel, kerosene, LPG, and naphtha. It is also a major supplier of aviation fuel to the Indian Air Force.

The refinery is located on the banks of the Brahmaputra River, about 200 km from Guwahati. It is well-connected by road and rail to the rest of the country. The refinery has a dedicated jetty on the Brahmaputra River, which facilitates the import of crude oil and export of refined products.

The refinery is a major employer in the region. It provides direct employment to over 3,000 people and indirect employment to over 10,000 people. The refinery has also been instrumental in the development of the local economy. It has invested in infrastructure development, such as roads, bridges, and schools in the region.

The refinery is a major contributor to the exchequer. It pays taxes to the government and also contributes to the development of the region through CSR activities. The refinery is a major player in the Indian oil and gas sector and has a significant impact on the economy of the country.

The other options are incorrect because they are not the locations of the Numaligarh Refinery Limited.