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Post at: Aug 06 2021

Project 75-I: India’s Attack Submarine Building Project

Recent Context
On June 4, 2021, Defence Acquisition Council (DAC), headed by Defence Minister Rajnath Singh has approved issue of Request of Proposal (RFP) for construction of six conventional submarines under project 75 ‘India’ (Project 75-I) under the strategic partnership (SP) model.
RFP: It is a project announcement posted publicly by on organization indicating that bid for construction to complete the project are sought.
SP Model: It allows domestic defence manufacturers to join hands with leading foreign defence majors to produce high-end military platforms to reduce import dependence.

  • This project envisages indigenous construction of six conventional submarines equipped with the state-ofthe- art Air Independent Propulsion (API) system at an estimated cost of Rs. 43000 crore.
  • Project 75-I, approved in 2007, is part of the Indian Navy’s 30 year Plan for indigenous submarine construction.
  • The RFP was issued to shortlisted strategic partners (Indian Applicant) companies for the project viz. m/s Mozagaon Dock Shipbuilder Limited (MDL) and M/s Larsen & Tubro (L&T).
  • The shortlisted SPs to whom the RFP has been issued would be collaborating with any of the shortlisted foreign OEMs (Original Equipment Manufacturers) viz, M/s Noval Group – France M/s TKMS – Germany M/s ISC ROE – Russia, M/s Oaewoo shipbuilding and Marine Engineering Co Ltd. – South Korea and M/s Navanita – Spain.

Need of the project

Significance of Project

Past Lessons from Project 75 and Way forward for Project 75-


  • Nearly 30% of the Rs.19,000 crore contract cost in Project 75 went towards Transfer of Technology (T-o-T), yet Indian Navy still does not have design capability to build a submarine on its own.
  • Project 75 should be audited to ensure that Project 75-I leads to building of own designing capabilities for Indian Navy.

Kameshwar Shukla

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