Prime Minister Modi Inaugurates Oil India's Numaligarh-Siliguri Pipeline Capacity Augmentation Project
Prime Minister Narendra Modi inaugurated Oil India Limited's Numaligarh-Siliguri Product Pipeline capacity augmentation project on March 13, 2026, in Guwahati. The 654-km pipeline's capacity was successfully upgraded from 1.72 MMTPA to 5.5 MMTPA for ₹750 crore, achieving ₹110 crore in cost savings. The project supports Numaligarh Refinery's expansion under Hydrocarbon Vision 2030 and generated 4.1-million-man hours of employment across Assam and West Bengal.

*this image is generated using AI for illustrative purposes only.
Prime Minister Narendra Modi inaugurated Oil India Limited's Numaligarh-Siliguri Product Pipeline capacity augmentation project during a public meeting held in Guwahati on March 13, 2026. The milestone project represents a significant enhancement to petroleum product transportation infrastructure in India's North-Eastern region.
Project Overview and Capacity Enhancement
The Numaligarh-Siliguri Product Pipeline is a 654-km long, 406 mm diameter cross-country multi-product pipeline that has undergone substantial capacity upgradation. The project details are outlined below:
| Parameter: | Details |
|---|---|
| Pipeline Length: | 654 km |
| Diameter: | 406 mm (16-inch) |
| Original Capacity: | 1.72 Million Metric Tonnes Per Annum |
| Upgraded Capacity: | 5.5 MMTPA |
| Project Cost: | ₹750 crore (against approved ₹860 crore) |
| Cost Savings: | ₹110 crore |
The capacity enhancement supports 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.
Infrastructure Upgrades and Technical Enhancements
The capacity augmentation was achieved through comprehensive upgradation of existing infrastructure. Key improvements included:
- Conversion of pigging stations at Sekoni, Guwahati, Bongaigaon and Madarihat into Intermediate Pumping Stations
- Augmentation of pumping facilities at Numaligarh Dispatch Terminal
- Upgradation of facilities at Siliguri Receipt Terminal for enhanced operational efficiency and safety
Employment Generation and Economic Impact
Implemented as a brownfield project, the augmentation generated significant employment opportunities during its execution phase. The project created around 4.1-million-man hours of work over a period exceeding three years across Assam and West Bengal. The successful completion within budget demonstrates effective project management and optimal utilization of existing assets.
Strategic Significance
The project represents a major milestone in strengthening petroleum product transportation infrastructure in the North-Eastern region and enhancing India's energy security. The upgraded pipeline capacity will facilitate improved fuel distribution and support the region's growing energy demands under the Government's strategic vision for hydrocarbon development in the North-East.
Historical Stock Returns for Oil India
| 1 Day | 5 Days | 1 Month | 6 Months | 1 Year | 5 Years |
|---|---|---|---|---|---|
| -1.83% | -2.88% | +3.36% | +18.11% | +25.31% | +437.34% |
































