Project 75I is the Indian Navy’s plan to acquire six advanced diesel-electric submarines equipped with air-independent propulsion (AIP), contemporary equipment, weapons & sensors, advanced torpedoes, modern missiles and state of the art countermeasure systems.

What is India’s Project 75I? What makes it crucial to India’s naval strategy in the Indo-Pacific

India’s submarine arm emerged from more than a decade of post-Independence effort, culminating in the commissioning of INS Kalvari on December 8, 1967.

From foxtrots to SSBNs: The rise and modernisation of India’s submarine force

From aerospace and missile systems to naval nuclear propulsion and space-based defence, the scope of indigenous development has widened far beyond licensed manufacturing. 

Agni-V, Tejas, Arihant and more: Top 6 indigenous Indian defence technologies transforming military power

India is set to build two nuclear-powered attack submarines or SSNs, as China, the world's biggest Navy, flexes its Naval power in the region's maritime waters. The two SSNs will have a combined cost of around $3.

India to build 2 nuclear-powered attack submarines. Why are they crucial as China Navy expands in region?