India’s shipbuilding industry is charting a stronger growth trajectory, driven by rising commercial demand, offshore energy expansion, and strategic defence requirements. At the centre of this momentum are some of the country’s largest and most advanced dry docks—massive infrastructure assets that form the backbone of modern shipyards.
Dry docks enable the construction, repair, and maintenance of vessels ranging from ultra-large crude carriers to sophisticated naval platforms. As India strengthens its position in global maritime trade and naval capability, the expansion and modernisation of dry dock infrastructure have become critical to achieving scale, efficiency, and technological advancement.
Swan Defence and Heavy Industries Limited Leads with India’s Largest Dry Dock
Topping the list is Swan Defence & Heavy Industries (SDHI), which operates the country’s largest dry dock at its Gujarat facility. Spread across more than 600 acres, the 662-metre-long and 65-metre-wide dock is ranked among the world’s largest. With the capacity to construct vessels up to 400,000 DWT, SDHI is currently the only Indian yard capable of building Very Large Crude Carriers (VLCCs) and Ultra Large Crude Carriers (ULCCs).
Supported by a 600-MT Goliath crane, extensive fabrication facilities, pre-erection and fit-out berths, and a 1.2-km seafront, the yard represents a significant leap in India’s heavy shipbuilding capability.
Cochin Shipyard Expands Capacity with New Large Dry Dock
Public sector major Cochin Shipyard Limited (CSL) has strengthened its infrastructure with the commissioning of a new large dry dock measuring approximately 310 metres in length and 75 metres in width (stepped to 60 metres), with a depth of 13 metres.
This stepped dock—among the largest conventional dry docks in India—enhances CSL’s ability to build and repair large commercial and defence vessels, including LNG carriers and specialised offshore ships. The expansion significantly augments CSL’s shipbuilding and repair portfolio.
Mazagon Dock Enhances Infrastructure at Nhava Sheva
Defence shipbuilder Mazagon Dock Shipbuilders Ltd (MDL) is undertaking a major infrastructure expansion with the addition of India’s largest floating dry dock and a new graving dry dock facility at Nhava Sheva.
The floating dock will handle vessels up to 12,800 tons and enable simultaneous construction of multiple ships, while the new graving dock will support larger warships and commercial vessels. The expansion is expected to help MDL overcome capacity constraints and diversify into export and commercial markets.
Hindustan Shipyard Strengthens Eastern Seaboard Capability
At Visakhapatnam, Hindustan Shipyard Limited (HSL) continues to play a pivotal role in India’s defence shipbuilding ecosystem. While its dry docks are smaller than the mega installations elsewhere, HSL operates significant dock and basin facilities that support naval and coast guard vessels.
Its infrastructure remains central to strengthening shipbuilding capacity along India’s eastern seaboard and supporting strategic maritime operations.
GRSE Adds Depth with Integrated Dock Complex
Garden Reach Shipbuilders & Engineers (GRSE) rounds out the top five with a cluster of dry docks capable of handling medium-sized naval and coast guard vessels. With dock capacities of up to 160 metres in length and 20 metres in beam, along with covered berths and slipways, GRSE represents one of the largest aggregated dry dock infrastructures among Indian defence shipbuilders outside the mega facilities.
Building the Backbone of Maritime India
Together, these shipyards underscore the scale and ambition of India’s maritime infrastructure development. As global trade patterns evolve and strategic maritime interests expand, investments in large dry docks and integrated shipyard ecosystems are positioning India as a stronger player in commercial shipbuilding, offshore engineering, and naval capability.
With expanding capacities and modernised infrastructure, India’s shipbuilding sector is steadily reinforcing its foundation—laying the groundwork for a more resilient and globally competitive maritime future.
