Cochin Shipyard
One of India’s largest shipbuilding and ship-repair enterprises, with major commercial, naval and offshore capabilities.
Last updated August 26, 2026
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Overview
Cochin Shipyard Limited (CSL) is an Indian shipbuilding and ship-repair company headquartered in Kochi, Kerala. Established as a Government of India company in 1972, it developed into one of the country’s largest maritime industrial facilities and received Miniratna status. The company’s original yard began operating in phases, with its principal facilities becoming operational in 1982. It combines new-vessel construction with maintenance, refit and modernization work for commercial, government and naval customers. The company’s capabilities cover large commercial ships, offshore vessels, ferries, tankers, bulk carriers, platform supply vessels, tugboats and specialized government craft. Its shipbuilding facilities can handle vessels of approximately 110,000 deadweight tonnes, while its repair infrastructure can accommodate vessels of approximately 125,000 deadweight tonnes. The yard has constructed vessels as large as 120,000 deadweight tonnes, giving it one of the highest capacity profiles among Indian shipyards. Its first vessel, MV Rani Padmini, was delivered in 1981, before the first phase of the yard’s operating facilities was fully established. CSL has also become a major builder for India’s maritime-security and naval programs. It constructed INS Vikrant, India’s first domestically built aircraft carrier, making CSL one of the relatively small number of shipyards worldwide to have built an aircraft carrier. The carrier entered service in 2022 after an extended construction and testing program. Other defense work has included INS Anvesh, a missile-range instrumentation ship, offshore patrol and fast patrol vessels for the Indian Coast Guard, anti-submarine warfare shallow-water craft, and the planned Next Generation Missile Vessel program for the Indian Navy. Commercial shipbuilding has included Aframax tankers for Shipping Corporation of India, bulk carriers for international customers, platform supply vessels for offshore operators, and ferry boats for the Kochi Water Metro. CSL has pursued international orders from customers in Europe and West Asia, while retaining a substantial domestic defense workload. The company also operates or controls related shipbuilding capacity, including the Tebma shipyards acquisition in 2021 and the Udupi Cochin Shipyard facility. Ship repair is a second core business. CSL services naval and coast-guard vessels, commercial ships, offshore drilling units, port craft and vessels associated with public-sector customers. Its work has included life-extension and major overhaul projects for aircraft carriers such as INS Viraat and INS Vikramaditya, as well as repair and modernization of offshore drilling units operated by Oil and Natural Gas Corporation. In 2024, CSL signed a Master Ship Repair Agreement with the United States Navy for repairs to vessels of the Military Sealift Command, strengthening its role as an Indian base for international naval support. The Government of India announced a proposed disinvestment in 2012, finalized the stake-sale decision in 2015, and completed CSL’s initial public offering in 2017. The shares were subsequently listed on India’s BSE and NSE exchanges. The company continues to expand its infrastructure, including a large dry dock commissioned in 2024 that is designed for major tankers, container ships and bulk carriers. Its strategic position rests on a combination of government-linked defense demand, large-vessel construction capacity, specialized repair expertise, and access to Kochi’s established maritime cluster.
History
Cochin Shipyard was incorporated in 1972 as an enterprise of the Government of India. It was created to provide India with a modern large-vessel construction and maintenance capability in Kochi, a port city with a long-standing maritime role. The first phase of the yard’s facilities became operational in 1982. The first vessel to leave the yard was MV Rani Padmini, delivered in 1981, marking the beginning of CSL’s commercial shipbuilding record. During its development, CSL expanded from basic newbuilding into a broad maritime-services business. The yard constructed commercial vessels for Indian and overseas customers, including large double-hulled Aframax tankers, bulk carriers, platform supply vessels and other offshore craft. Its design and production capabilities enabled it to handle vessels up to roughly 110,000 deadweight tonnes and to repair vessels of approximately 125,000 deadweight tonnes. The company’s customer base included Shipping Corporation of India, international shipowners, offshore operators, port organizations and public-sector entities. Naval construction became central to CSL’s strategic importance. The yard built INS Anvesh, a missile-range instrumentation vessel developed in cooperation with India’s Defence Research and Development Organisation. Its most prominent defense project was INS Vikrant, India’s first indigenous aircraft carrier. The carrier was constructed, fitted out and tested at Kochi; major structural and outfitting work was reported complete in 2020, sea trials began in 2021, and the vessel was commissioned in 2022. The program established CSL as the only Indian facility associated with construction of this class of warship and placed it among the limited number of shipyards globally with aircraft-carrier experience. CSL has also participated in Indian Navy and Coast Guard programs involving anti-submarine warfare shallow-water craft, next-generation missile vessels and fast patrol vessels. These projects complement its commercial portfolio and reflect India’s policy of developing domestic shipbuilding and defense-manufacturing capacity. The company’s repair division has supported the Indian Navy, Indian Coast Guard, Lakshadweep administration, Cochin Port Trust, Shipping Corporation of India and Oil and Natural Gas Corporation. Its work has included maintenance, modernization and life extension for naval vessels, commercial ships and offshore drilling units. Major projects have included overhauls of INS Viraat and INS Vikramaditya and maintenance of offshore units such as Sagar Vijay, Sagar Bhushan and Sagar Kiran. The company’s ownership structure began to change during the 2010s. In 2012, the Government of India announced a plan to divest part of its stake in order to raise capital for expansion. The government finalized the disinvestment decision in 2015, although the offering was delayed. CSL ultimately completed its initial public offering in 2017 and became listed on India’s BSE and NSE exchanges while remaining government-controlled. CSL continued to broaden its production footprint through the acquisition of Tebma Shipyards in 2021 and the development of Udupi Cochin Shipyard capacity. It also built ferry boats for the Kochi Water Metro in collaboration with Siemens India and Echandia, demonstrating an ability to participate in urban maritime-transport projects as well as conventional shipbuilding. A major dry dock commissioned in January 2024 increased the company’s ability to handle large tankers, container ships and Capesize bulk carriers. In April 2024, CSL entered into a Master Ship Repair Agreement with the United States Navy for repairs to Military Sealift Command support vessels, an important step in attracting allied maritime-maintenance work to India. CSL also maintains a training role, including graduate-engineer education in marine engineering. Its overall identity combines public-sector strategic importance, defense production, commercial shipbuilding, offshore support and repair services. The company’s continuing challenge is to balance cyclical commercial orders with long-duration naval programs while expanding capacity and competing in an international shipbuilding market.
- 2024
Large dry dock commissioned
[1]CSL commissioned a 310-metre dry dock intended to handle large tankers, container ships and bulk carriers.
- 2024
US Navy repair agreement signed
[1]CSL signed a Master Ship Repair Agreement covering support-vessel repairs for the United States Navy’s Military Sealift Command.
- 2022
INS Vikrant commissioned
[1]India’s first indigenous aircraft carrier, constructed by CSL, entered service with the Indian Navy.
- 2021
Tebma Shipyards acquired
[1]CSL expanded its shipbuilding footprint through the acquisition of Tebma Shipyards.
- 2017
Initial public offering and listing
[1]CSL completed its IPO and was listed on the BSE and NSE.
- 2012
Disinvestment plan announced
[1]The Government of India announced a proposed stake sale to support expansion funding.
- 1982
Main facilities enter service
[1]The first phase of CSL’s shipbuilding and repair facilities became operational.
- 1981
First vessel delivered
[1]MV Rani Padmini became the first vessel to roll out of the shipyard.
- 1972
Company incorporated
[1]Cochin Shipyard was established as a Government of India company to create large-scale shipbuilding and ship-repair capacity in Kochi.
Products and positioning
A government-founded Indian maritime engineering company positioned around large-vessel construction, naval shipbuilding, ship repair and strategic domestic industrial capability.
Commercial shipbuilding
Commercial ships
CSL builds commercial vessels for domestic and international owners. Its portfolio has included double-hulled Aframax tankers, bulk carriers, multipurpose vessels and other large ships. The yard’s production capability is suited to substantial deadweight-tonnage requirements, while its Kochi location provides access to India’s port, engineering and maritime-service ecosystem.
Offshore vessels
Offshore support vessels
The company constructs platform supply vessels and related offshore craft used to support oil and gas exploration and production. These vessels form part of CSL’s commercial and offshore portfolio and complement its repair work on mobile offshore drilling units and other energy-sector assets.
Aircraft carrier · 2022
INS Vikrant
INS Vikrant is India’s first indigenous aircraft carrier and the largest warship built by Cochin Shipyard. CSL carried out the carrier’s construction, outfitting and testing at Kochi. Major structural and outfitting work was completed before sea trials in 2021, and the ship was commissioned into the Indian Navy in 2022.
Missile-range instrumentation ship · 2022
INS Anvesh
INS Anvesh is a missile-range instrumentation ship developed by CSL in cooperation with India’s Defence Research and Development Organisation. It functions as a floating test-range asset for India’s ballistic-missile-defense development and was commissioned into naval service in 2022.
Anti-submarine warfare shallow-water craft
Mahe-class corvettes
CSL is building Mahe-class vessels for the Indian Navy under the anti-submarine warfare shallow-water craft program. The ships are intended for coastal and near-shore anti-submarine operations and form the CSL-built portion of a wider program shared with Garden Reach Shipbuilders and Engineers.
Fast patrol vessel
Aadesh-class patrol vessels
CSL has built fast patrol vessels for the Indian Coast Guard. The Aadesh-class vessels were designed by Smart Engineering & Design Solutions and support coastal surveillance, patrol and maritime law-enforcement duties.
Missile vessel
Next Generation Missile Vessels
The Next Generation Missile Vessel program covers six missile vessels authorized for acquisition by India’s Ministry of Defence from CSL. The ships are intended to strengthen the Indian Navy’s surface-strike and fleet-support capabilities, with deliveries planned to begin after construction of the first vessel.
Marine maintenance services · 1982
Ship repair and refit
CSL provides scheduled maintenance, emergency repair, modernization, major overhaul and life-extension services. Its customers have included the Indian Navy, Indian Coast Guard, port authorities, Shipping Corporation of India, Oil and Natural Gas Corporation and offshore drilling operators. The company has also undertaken aircraft-carrier refits and repairs to mobile offshore drilling units.
Brand decisions
2024
Expansion of large-vessel repair capacityStrategyBackground
CSL required infrastructure capable of servicing larger classes of commercial and naval vessels.
Action taken
The company commissioned a 310-metre dry dock designed for large tankers, container ships and Capesize bulk carriers.
Aftermath
The facility increased CSL’s ability to compete for major repair and maintenance projects involving large ships.
2024
Agreement to pursue US naval repair workStrategyBackground
India sought to strengthen its role in international maritime maintenance and support allied naval logistics.
Action taken
CSL signed a Master Ship Repair Agreement with the United States Navy for Military Sealift Command support vessels.
Aftermath
The agreement opened a pathway for CSL to repair eligible US naval support ships visiting or operating in the region.
2021
Acquisition of Tebma ShipyardsM&ABackground
CSL pursued additional production capacity and a broader geographic footprint in Indian shipbuilding.
Action taken
The company acquired Tebma Shipyards.
Aftermath
The acquisition added to CSL’s Indian shipbuilding network and supported its expansion beyond the Kochi yard.
2012
Government proposes partial disinvestmentStrategyBackground
The Government of India sought to raise capital for CSL’s expansion while retaining government involvement in a strategically important shipbuilding company.
Action taken
A stake sale and initial public offering were proposed, although implementation was delayed until 2017.
Aftermath
CSL ultimately became a publicly listed company while remaining government-controlled.
Recent events
- 2024
Cochin Shipyard signs US Navy repair agreement[1]
Other
CSL signed a Master Ship Repair Agreement covering repair work for vessels operated by the United States Navy’s Military Sealift Command.
- 2022
INS Vikrant enters Indian naval service[1]
Product launch · Product generation
The aircraft carrier built by CSL was commissioned into the Indian Navy after construction, outfitting and sea trials.
- 2017
Cochin Shipyard lists after initial public offering[1]
M&A · Other
Following the government’s divestment process, CSL completed its initial public offering and its shares began trading on the BSE and NSE.
- 2012
Government announces planned divestment of Cochin Shipyard[1]
Other
The Government of India announced plans to sell part of its holding through a public offering to support expansion and raise capital.
- 1982
Cochin Shipyard completes first major operating phase[1]
Other
The first phase of CSL’s principal shipbuilding and repair facilities became operational, establishing the company as a major Indian maritime-industrial site.
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