Bengaluru, September 09, 2026: L&T Energy Hydrocarbon Offshore (LTEH Offshore) has secured a large offshore order from the Oil & Natural Gas Corporation (ONGC) for the Additional Development of Ratna–I (ADR I) and NLM-14 project off India’s west coast.
The project involves engineering, procurement, construction, installation and commissioning (EPCIC) of three new well-head platforms, one riser platform, multiple segments of subsea pipelines and cables, and brownfield modifications to existing offshore installations.
The project is aimed at enhancing production and supporting the continued development of ONGC’s offshore assets in the region.
LTEH Offshore is a leading provider of integrated EPCIC solutions for the offshore oil and gas industry. Supported by robust in-house engineering capabilities, world-class fabrication facilities and a dedicated fleet of marine vessels, it has successfully delivered complex shallow-water and deep-water developments across global markets.
Over the past four decades, LTEH Offshore has executed a wide range of projects, including fixed platforms, subsea pipelines and structures, brownfield upgrades, as well as decommissioning assignments.
Commenting on the order win, Parthasarathi Chatterjee, Senior Vice President & Head – L&T Energy Hydrocarbon Offshore, said: “The ADR-I and NLM-14 developments are significant additions to India’s offshore energy infrastructure and demonstrate the continued investment in enhancing production from established offshore assets. These projects combine new offshore facilities with brownfield modifications in existing operating fields, calling for careful planning, engineering integration and precise execution. Drawing on our extensive offshore EPCIC experience, we look forward to delivering these developments safely and efficiently, while supporting ONGC’s long-term production objectives”.
Background:
Larsen & Toubro is a USD 32 billion Indian multinational engaged in EPC Projects, Hi-Tech Manufacturing, Products and Services, operating across diverse domains and multiple geographies. With a strong impetus towards AI & technology, customer–focused approach and the constant quest for top-class quality have enabled L&T to attain and sustain leadership in its major lines of business for eight decades.
Order Classification
| Classification | Significant | Large | Major | Mega | Ultra-Mega |
| Value in ₹ Cr | 1,000 to 2,500 | 2,500 to 5,000 | 5,000 to 10,000 | 10,000 to 15,000 | >15,000 |
