| Shipbuilding | Construction of naval, commercial, and specialized vessels including defense crafts and green technology vessels. | Government ownership, technological collaborations, strategic location, skilled workforce, and robust order book. | B2G (Indian Navy, Coast Guard, Government Agencies), B2B (European and international shipping companies). | Advanced naval vessels, green hybrid electric vessels, and export contracts. | 2955 | 62 | Contract manufacturing revenues from orders including domestic government and international clients. | Project-based contracts with progress billing per milestones. | Rising defense budgets, demand for coastal shipping vessels, shift to green propulsion technologies. | Indigenous Aircraft Carrier INS Vikrant, Hybrid Electric Catamaran Vessels, Patrol Vessels |
| Ship Repair | Repair, refit, and life extension for all vessel types including naval, commercial, offshore rigs. | Exclusive government-operated repair facilities with modern infrastructure and strategic coastal presence. | B2B and B2G segment including Indian Navy, commercial vessel operators, and international clients. | Dry dock repairs and specialized naval vessel maintenance. | 1865 | 38 | Service revenues from ship repair contracts, docking fees, and maintenance agreements. | Service contracts and pay-per-service models. | Expansion of repair facilities, increased vessel traffic, and maintenance demands of large fleets. | International Ship Repair Facility (ISRF), Dry Docks at Kochi, Mumbai, Kolkata, Andaman |
