P-75I — Project 75 India (Submarines)

ACTIVE

6 AIP-equipped diesel-electric attack submarines

Budget

₹70,000–1,00,000 Cr

Timeline

2025–2038

Sector

Indian Navy

Indigenisation

45%

PROCUREMENT TIMELINE

AON

Acceptance of Necessity — CCS/DAC approves the requirement.

RFI

Request for Information — industry capability survey.

RFP

Request for Proposal — detailed tender issued to vendors.

ToC

Transfer of Technology clause negotiations.

CNC

CURRENT

Contract Negotiation Committee finalises terms.

Contract

Dev/Trial

Induction

INTEL SIGNALS

Strategic priority designation

Wikipedia and Naval Today track Project 75(I) as having moved into MDL-TKMS contract/commercial negotiations in 2025 for six AIP-equipped submarines. Open estimates have risen materially from the original ₹43,000 crore figure to roughly ₹70,000 crore and possibly ₹90,000-1,00,000 crore depending on ToT and localisation scope. Not yet contracted.

RECENT INTELLIGENCE

India's Mazagon Dock to build 6 submarines under P-75I project with Germany's Thyssenkrupp - Moneycontrol.com

news.google.com · 20 Apr 2026

Silent, Stealthy, and Submerged: P-75I Submarines to Secure India’s Maritime Future - Raksha Anirveda

news.google.com · 03 Dec 2025

CONTENDERS / VENDORS

MDL · TKMS

LATEST UPDATES

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