Discover the Arnala Class: India’s Advanced Stealth Submarine Hunter Enhancing Coastal Defence

On June 18, 2025, the Indian Navy welcomed INS Arnala (P68) at Visakhapatnam. This vessel is the first of its kind in the new Anti-Submarine Warfare Shallow-Water Craft series. It’s not just a new ship; it’s a vital addition to protecting India’s extensive coastline.

Why is INS Arnala Important?

Specialized for Shallow Waters
INS Arnala excels in patrolling shallower waters, effectively detecting and targeting smaller submarines and unmanned underwater vehicles (UUVs) that larger ships might miss.

Indigenous and Reliable
With more than 80% of its components made in India, the ship showcases the country’s dedication to self-reliance. Major players like BEL, Mahindra, and L&T were involved in its construction, along with many smaller businesses.

Cutting-Edge Technology
INS Arnala is loaded with advanced features. It has specialized sonar systems, lightweight torpedoes, and a powerful naval gun—all designed to enhance its combat capabilities.

Stealthy and Strategic
Its sleek design gives it a low acoustic signature, making it harder to detect. As India moves away from older vessels, INS Arnala provides a modern edge in near-shore defense.

A Symbol of Self-Sufficiency

INS Arnala represents a shift from relying on foreign naval power to building domestically. India is transitioning into a "builder’s navy," having produced over 98 warships, including notable vessels like the Vikrant and Surat. Notably, the Bokaro Steel Plant contributed significantly to the ship’s construction, providing the majority of the specialized steel.

Strategic Importance in the Indian Ocean

INS Arnala enhances coastal surveillance and rapid response, particularly near crucial ports and chokepoints. Given the rising underwater threats from China and Pakistan, its role becomes even more critical. For instance, as China’s submarine activities increase in the Indian Ocean, the need for vigilant coastal monitoring is heightened.

Pakistan’s growing submarine fleet, backed by China, poses a significant risk to India’s coastal security. With capabilities like mine-laying and precision target detection near shore, INS Arnala plays a key part in India’s layered coastal defense strategy. It stands as the first line of detection and deterrence against underwater threats.

The Future of Coastal Defense

INS Arnala may be smaller than traditional warships, but it compensates with advanced technology and local expertise. In an era where underwater conflicts are increasingly likely, having a vessel like INS Arnala offers a sense of security.

In summary, INS Arnala represents not just a military asset but a leap toward self-reliance and advanced defense strategies in India. It embodies a shift in how India safeguards its coastal waters, combining agility and power in a format that few larger vessels can replicate.

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INS Arnala