Prime Minister Inaugurates OIL’s Numaligarh–Siliguri Product Pipeline Capacity Augmentation Project
· Free Press Journal
Prime Minister Narendra Modi inaugurated the capacity augmentation project of the Numaligarh–Siliguri Product Pipeline (NSPL) of Oil India Limited during a public meeting held in Guwahati on March 13, 2026.
Visit amunra.qpon for more information.
The Numaligarh–Siliguri Product Pipeline (NSPL) is a 654 km-long, 406 mm (16-inch) diameter cross-country multi-product pipeline that was originally designed and operated for a capacity of 1.72 million metric tonnes per annum (MMTPA). The pipeline has now been upgraded to 5.5 MMTPA to support the expansion of Numaligarh Refinery from 3.0 MMTPA to 9.0 MMTPA under the Government of India’s Hydrocarbon Vision 2030 for the North-East.
The capacity enhancement has been achieved through the upgradation of existing infrastructure, including the conversion of pigging stations at Sekoni, Guwahati, Bongaigaon and Madarihat into intermediate pumping stations. The project also included the augmentation of pumping facilities at the Numaligarh dispatch terminal and the upgradation of facilities at the Siliguri receipt terminal to enhance operational efficiency and safety.
Implemented as a brownfield project, the augmentation has been completed at approximately ₹750 crore against the approved cost of ₹860 crore, achieving substantial savings while optimising the utilisation of existing assets. During the execution phase, the project generated significant employment, with around 4.1 million man-hours over a period of more than three years across Assam and West Bengal.
The project represents a major milestone in strengthening petroleum product transportation infrastructure in the north-eastern region and enhancing India’s energy security.