State-run defence equipment manufacturer Mazagon Dock Shipbuilders Ltd. has entered into a formal agreement with international defense manufacturer Naval Group for transfer of technology to install indigenous energy system plugs on Indian Navy’s Kalvari-class submarines, according to a release dated July 23.Shares of Mazagon Dock Shipbuilders are trading at ₹2,962, up by ₹42.35, or 1.45%, on the BSE today, July 24. The stock has risen as much as 29% in the previous six months.
Under the agreement, Mazagon Dock will integrate the energy system plugs, developed by Defence Research and Development Organisation (DRDO), into the Indian Kalvari submarines using technology developed by France’s Naval Group for Scorpene submarines.
The process known as Jumboisation, involves precision cutting of the hull, safe insertion of the energy plug and re-joining of the structure to ensure fully operational submarine. As the original equipment manufacturer, Naval Group will provide technical oversight, proprietary materials and specialised training to MDL engineers.”We are pleased to extend our natural partnership with Naval Group and we shall jointly work towards successful integration of the DRDO developed propulsion system with the P75 Project Scorpene submarines,” said SB Jamgaonkar, Director of submarines division at MDL
Under the agreement, Mazagon Dock will integrate the energy system plugs, developed by Defence Research and Development Organisation (DRDO), into the Indian Kalvari submarines using technology developed by France’s Naval Group for Scorpene submarines.
The process known as Jumboisation, involves precision cutting of the hull, safe insertion of the energy plug and re-joining of the structure to ensure fully operational submarine. As the original equipment manufacturer, Naval Group will provide technical oversight, proprietary materials and specialised training to MDL engineers.”We are pleased to extend our natural partnership with Naval Group and we shall jointly work towards successful integration of the DRDO developed propulsion system with the P75 Project Scorpene submarines,” said SB Jamgaonkar, Director of submarines division at MDL
In December 2024, the Defence Ministry had signed two contracts worth approximately ₹2,867 crore to enhance the operational capabilities of Indian submarines.
The first contract, valued at ₹1,990 crore, was inked with Mazagon Dock Shipbuilders for the construction of an air independent propulsion (AIP) plug. The second contract, worth ₹877 crore, was signed with Naval Group, France, for integrating an electronic heavy weight torpedo (EHWT) system, developed in collaboration with DRDO.
