| Shipbuilding | Design and construction of naval warships, frigates, patrol vessels, and commercial ships including training vessels and offshore supply vessels. | Exclusive government contracts, skilled workforce, advanced facilities, proprietary design capabilities, and strategic location. | Primarily B2G with Indian Navy, Indian Coast Guard, and select international clients. | State-of-the-art destroyers and stealth frigates with integrated weapon systems and advanced sensors. | 114168 | 32 | Revenue from government contracts for ship construction, repair, refit, and export sales. | Fixed price contracts with milestone-based payments; some service contracts on recurring maintenance. | Defense modernization, Make in India initiative, export opportunities, new Coast Guard projects, and commercial vessel orders. | Destroyers (INS Surat, INS Imphal), Frigates (INS Nilgiri, INS Taragiri), Coast Guard Vessels, Multipurpose Hybrid Powered Vessels |
| Submarine & Heavy Engineering | Design and construction of conventional submarines, submarine maintenance, and heavy engineering for offshore and defense sectors. | Only Indian builder of conventional submarines, technology partnerships with Naval Group France, proprietary R&D, and skilled specialist workforce. | Indian Navy primarily, with export prospects and offshore sector clients like ONGC. | Advanced submarine construction and high-technology underwater systems. | 245092 | 68 | Contract payments from defense ministry for submarine builds, maintenance, R&D, and export orders. | Project milestone payments with long-term contracts for submarine construction and maintenance. | Ongoing submarine builds under Project 75, R&D collaborations, offshore oil and gas projects, and international partnerships. | Kalvari Class Scorpene Submarines, INS Khanderi, INS Vaghsheer, Submarine refit and life certification projects |