PM Modi Inaugurates Oil India’s Numaligarh–Siliguri Pipeline Capacity Project
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New Delhi, 13 March 2026: Oil India Limited announced that the Hon’ble Prime Minister of India, Shri Narendra Modi, inaugurated the Numaligarh–Siliguri Product Pipeline (NSPL) Capacity Augmentation Project during a public event in Guwahati. This strategic project significantly enhances petroleum product transportation in India’s North-Eastern region, supporting the expansion of the Numaligarh Refinery.
The NSPL, a 654-km, 16-inch diameter cross-country multi-product pipeline, was originally designed for 1.72 MMTPA (Million Metric Tonnes Per Annum). Following the capacity enhancement, the pipeline now supports 5.5 MMTPA, aligning with the Government of India’s Hydrocarbon Vision 2030 for the North-East.
Key Highlights of the Project:
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Project Type: Brownfield Capacity Augmentation
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Enhanced Capacity: 5.5 MMTPA from original 1.72 MMTPA
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Pipeline Length: 654 km
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Diameter: 406 mm (16 inches)
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Investment: Approx. ₹750 crore (against approved ₹860 crore), achieving cost efficiency
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Employment Generated: Around 4.1 million man-hours over three years
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Major Upgrades:
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Conversion of pigging stations at Sekoni, Guwahati, Bongaigaon, and Madarihat into intermediate pumping stations
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Augmentation of pumping facilities at Numaligarh Dispatch Terminal
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Upgradation of Siliguri Receipt Terminal for enhanced operational efficiency and safety
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The project not only optimizes the use of existing assets but also strengthens India’s energy security by ensuring reliable and increased supply of petroleum products in the North-Eastern states.
About Oil India Limited:
A Maharatna CPSE under the Government of India, Oil India Limited is headquartered in Duliajan, Assam. Oil India Limited is a pioneer in oil and gas exploration and production, contributing to India’s energy security and infrastructure development since its incorporation in 1959.