In a significant boost to India's maritime security and strategic nuclear deterrence, the Indian Navy has commissioned its second nuclear-powered ballistic missile submarine, INS Arighat, at Visakhapatnam in Andhra Pradesh. As an upgraded version of the INS Arihant, INS Arighat represents a critical step forward in enhancing India's naval capabilities. It marks a major milestone in the nation’s nuclear submarine program.

A New Era of Strategic Deterrence

INS Arighat is poised to play a pivotal role in India's defense strategy. Armed with K-15 ballistic missiles, which have a range of 750 kilometers, the submarine significantly strengthens the Indian Navy's arsenal. The K-15 missiles, capable of being equipped with strategic nuclear warheads, provide India with a formidable second-strike capability enhancing its ability to respond to nuclear threats.

Advanced Capabilities and Features

INS Arighat is not just another addition to the Indian Navy but a sophisticated and state-of-the-art asset. It is powered by an 83 MW pressurized light-water reactor, which allows it to remain submerged for extended periods, providing a significant tactical advantage over conventional submarines. This endurance ensures that the submarine can operate undetected for months.

Measuring 112 meters in length and displacing 6,000 tonnes, INS Arighat is equipped with four missile launch tubes. 

One of the standout features of INS Arighat is its advanced stealth technology. The submarine is equipped with state-of-the-art sonar systems, quiet propulsion mechanisms, and cutting-edge stealth features that allow it to operate undetected beneath the ocean’s surface. This stealth capability is crucial for modern naval operations, enabling the submarine to carry out missions with precision and secrecy. The ability to remain invisible to enemy detection systems not only increases its survivability but also ensures that it can deliver a swift and decisive response to any threat.

INS Arighat is the second submarine of the Arihant-class, following its predecessor INS Arihant, which was commissioned in 2016. Both submarines are part of India's ambitious plan to build a fleet of four SSBNs (Ship, Submersible, Ballistic, Nuclear), with two more, currently known as S4 and S4*, still under construction. This fleet is central to India’s strategy of maintaining a credible nuclear deterrent and ensuring the security of its maritime interests.

The submarine's name, "Arighat," is derived from an ancient Sanskrit term meaning ‘destroyer of enemies,’ symbolizing its purpose and India’s resolve to protect its sovereignty and security.

According to reports, INS Arighat will operate under the Strategic Forces Command, a specialized branch responsible for managing India's strategic nuclear arsenal. 

The successful induction of INS Arighat into the Indian Navy marks a new chapter in India’s maritime history, showcasing the nation’s technological prowess and  commitment to safeguarding its interests. As India looks to the future, the continued development and deployment of advanced submarines like INS Arighat will be crucial in maintaining a strong and secure maritime presence.