India and Germany Set to Finalize Major Submarine Production Agreement

India is on the brink of finalizing a substantial Rs 99,000 crore agreement with Germany for the production of six advanced submarines. This deal, which includes an Inter-Government Agreement, signifies a strong commitment from both nations. The submarines will feature Air Independent Propulsion technology, allowing for extended underwater operations. This strategic move comes as India seeks to bolster its naval capabilities amid regional tensions, particularly with Pakistan's submarine advancements. The approval process is underway, with expectations for cabinet clearance in the coming months. This partnership not only highlights India's growing defense collaboration with Germany but also marks a significant step in enhancing its maritime security.

By Narendra Chaudhary Apr 10, 2026, 19:35 IST

Significant Submarine Deal Between India and Germany

A monumental agreement worth Rs 99,000 crore is on the verge of being signed for the construction of six German submarines in India by Mazagon Docks Limited (MDL). This deal will be accompanied by an Inter-Government Agreement (IGA) between New Delhi and Berlin, ensuring a commitment not only from the German company but also from the German government, according to high-ranking sources. The IGA signifies that the German government is taking on contractual responsibilities, which is a crucial aspect of this deal.

The contract, which involves MDL and the German firm Thyssenkrupp, focuses on the assembly of submarines in Mumbai. Before the deal can proceed, it requires approval from the Union Cabinet. A draft note has already been circulated for review by the National Security Council Secretariat (NSCS) and the finance ministry, after which the defence ministry will finalize the document. Ultimately, the Cabinet Committee on Security (CCS), led by Prime Minister Narendra Modi, will need to grant clearance.

Once the cabinet approval is obtained, anticipated in the coming months, the IGA and the contract between Thyssenkrupp and MDL will be finalized. The decision to partner with Germany followed a thorough evaluation of the submarines offered by both Germany and Spain. The submarines in question are equipped with Air Independent Propulsion (AIP) technology, allowing them to remain submerged for extended durations and making them harder to detect compared to traditional diesel-electric submarines due to their lower acoustic signature.

These six submarines will mark the Indian Navy's first acquisition of AIP technology. In contrast, Pakistan currently operates the French-made Agosta submarine with AIP capabilities and is in the process of acquiring eight Hangor-class submarines from China, with half being constructed in China and the other half in Karachi.

MDL has previously constructed six Scorpene submarines designed by France and has plans for three additional units, although this project is currently not prioritized. The shipyard has a history of building German submarines, having produced the first two HDW versions in collaboration with Germany, a nation renowned for its submarine manufacturing expertise since the early 20th century, including during both World Wars. Despite their age, the four German submarines remain operational and are actively utilized.