Genesis

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Genesis & Historic Milestones of NRL

From the historic signing of the Assam Accord in 1985 to achieving Navratna status in 2025 — explore the landmark events, photographs, and official records that shaped Numaligarh Refinery Limited.

August 15, 1985

Proposal for Refinery in Assam Accord

Proposal for a Refinery included in the historic "Assam Accord" as a part of Government of India's offered economic package for Assam.

1985 Assam Accord Signing
Signing of Assam Accord (1985)
June 23, 1989

IBP Appointed as Implementing Agency

IBP Co. Limited appointed as Implementing Agency for the Numaligarh Refinery project (Original Equity Structure — IBP: 51%, Govt. of Assam: 10%, Public: 39%).

1989 IBP Implementing Agency Equity
IBP Holding Structure (1989)
May 31, 1991

Environmental Clearance Obtained

Environmental Clearance obtained for the Numaligarh Refinery project, paving the way for greenfield industrial engineering and land acquisition at Golaghat, Assam.

July 3 & Aug 28, 1992

Foundation Stone Laid & EIL Appointed

Foundation Stone for the Refinery laid by Hon'ble Prime Minister of India Shri P.V. Narasimha Rao on July 3, 1992. CCEA approval granted on July 15, and Engineers India Limited (EIL) appointed as Prime Engineering Consultant on August 28, 1992.

April 22, 1993

Numaligarh Refinery Limited Incorporated

Numaligarh Refinery Limited officially incorporated as a Public Enterprise Company on 22nd April 1993, laying the operational cornerstone for downstream petroleum leadership in Assam.

1993 NRL Foundation & Logo
NRL Incorporation & Genesis (1993)
June 2, 1995

BPCL Inducted as Major Promoter

Bharat Petroleum Corporation Limited (BPCL) inducted as major promoter (Equity Structure — BPCL: 32%, IBP: 19%, Govt. of Assam: 10%, Public: 39%).

July 9, 1999

Dedicated to the Nation by PM Shri Atal Bihari Vajpayee

Following commissioning in April 1999, Numaligarh Refinery was dedicated to the Nation by Hon'ble Prime Minister of India Shri Atal Bihari Vajpayee, heralding an era of industrial prosperity in Northeast India.

PM Vajpayee Dedicating NRL (1999)
October 1, 2000

Commencement of Commercial Operations

Commercial refining operations commence at full scale, distributing high-grade petroleum fuels across Assam and eastern India, fueling regional connectivity and industrial supply chains.

2000 Commercial Operations
Commercial Operations (2000)
March 31, 2001

NRL Becomes Subsidiary of BPCL

NRL becomes a subsidiary of Bharat Petroleum Corporation Limited (BPCL) following equity realignment (Equity Structure — BPCL: 61.65%, OIL: 26%, Govt. of Assam: 12.35%).

2001 BPCL Subsidiary Equity
BPCL Subsidiary Structure (2001)
November 5, 2003

Conferred Miniratna Category-I Status

Government of India confers prestigious Miniratna Category-I status upon NRL in recognition of sustained profitability, operational excellence, and exemplary corporate governance.

2003 Miniratna Status
Miniratna Category-I Status (2003)
2007

Strategic Joint Ventures — BCPL & DNPL

Equity participation and foundation of Brahmaputra Cracker and Polymer Limited (BCPL, 8th January 2007) and DNP Limited natural gas pipeline (DNPL, 15th June 2007) for regional petrochemical and gas grid growth.

BCPL & DNPL Joint Ventures (2007)
2018

Strategic Ventures — ABEPL Bio-Refinery & IGGL

Incorporation of Assam Bio-Refinery Pvt. Ltd. (ABEPL, 25th April 2018) for India's 1st Bamboo 2G Bio-Ethanol plant, and Indradhanush Gas Grid Limited (IGGL, 10th August 2018) for the North East Gas Grid. Public Investment Board (PIB) clearance granted on October 22, 2018 for mega refinery expansion.

Bio-Refinery & Gas Grid (2018)
January 16, 2019

CCEA Mega Approval (₹22,594 Cr) & Brahmaputra HDD

Cabinet Committee on Economic Affairs (CCEA) approves mega Numaligarh Refinery Expansion Project (NREP) expanding refining capacity 3-fold from 3 to 9 MMTPA at ₹22,594 Crore, including the 1,640 km Paradip-Numaligarh crude pipeline and the landmark Horizontal Directional Drilling (HDD) crude pipeline beneath the Brahmaputra river.

NREP Approval & Brahmaputra HDD (2019)
July 27, 2020

Environmental Clearance for 9 MMTPA Expansion

Ministry of Environment, Forest and Climate Change (MoEF&CC) grants comprehensive Environmental Clearance for the 9 MMTPA Numaligarh Refinery Expansion Project, greenlighting mega construction.

March 25, 2021

OIL Acquires Majority Stake & EIL Enters

BPCL exits NRL as major stakeholder. Oil India Limited (OIL) acquires majority stake (80.16%), with Engineers India Limited (EIL, 4.37%) and Govt. of Assam (15.47%), uniting upstream and downstream energy giants into an integrated Assam powerhouse.

OIL Acquisition & Share Signing (2021)
Oct 2021 & Jan 2022

Revised Cost (₹28,026 Cr) & Assam Equity Elevated to 26%

MoPNG approves revised Refinery Expansion Project cost of ₹28,026 Crore on October 07, 2021. Share transfer by OIL to Government of Assam completes on January 3, 2022, elevating Assam state equity to 26% (OIL: 69.63%, Govt. of Assam: 26%, EIL: 4.37%).

March 18, 2023

Inauguration of India-Bangladesh Friendship Pipeline (IBFPL)

Historic dedication and inauguration of India-Bangladesh Friendship Pipeline (IBFPL) by Hon'ble Prime Minister Shri Narendra Modi and Prime Minister Sheikh Hasina, enabling cross-border high-speed diesel supply from Siliguri to Parbatipur, Bangladesh.

2023 IBFPL Inauguration
IBFPL Inauguration (18th March 2023)
June 22, 2023

Upgradation of NRL from Schedule-B to Schedule-A

Department of Public Enterprises issues Official Memorandum upgrading Numaligarh Refinery Limited to Schedule-A CPSE status, recognizing its expanding stature and multi-billion-dollar infrastructure. [ DPE OM 22.06.2023] | [ DPE OM 04.07.2023]

2023 Schedule-A OM
Schedule-A OM Upgradation (2023)
August 01, 2024

EC Obtained for 360 KTPA Polypropylene Unit

Environmental Clearance obtained for 360 KTPA Polypropylene (PP) Unit under NREP expansion, marking NRL's foray into value-added petrochemicals. [ View EC Order]

September 14, 2025

Assam Bio-Refinery (ABEPL) Commemorative Dedication

Commemorative memento and dedication marking operational excellence at Assam Bio-Ethanol (ABEPL), Asia's pioneering 2G Bamboo Bio-Refinery producing clean second-generation bio-fuels.

2025 Assam Bio-Refinery Memento
ABEPL Bio-Refinery Dedication (2025)
December 02, 2025

NRL Conferred Navratna Status

Government of India confers prestigious Navratna status upon Numaligarh Refinery Limited through the Department of Public Enterprises (Ministry of Finance), granting superior autonomy, strategic investment authority, and global scale.

2025 Navratna Status Notification
Navratna Status Notification (2025)
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