Defence Minister Rajnath Singh presided over a brief ceremony to formally commission the country’s third nuclear submarine, INS Aridhaman (S4), which is the third in the Arihant-class of SSBNs (Submersible Ship Ballistic Nuclear), on Friday (April 3) at Visakhapatnam.
The boat, being part of the strategic weapons programme, falls under the domain of the Strategic Forces and is part of the country’s nuclear triad. As per sources in the Navy, the commissioning was not made public and was carried out quietly, but Mr. Singh dropped enough hints to acknowledge the commissioning of the vessel.
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While the event was kept under wraps, Defence Minister Rajnath Singh, taking to social media, posted a cryptic message on ‘X’, describing the submarine as: “It’s not words but power, ‘Aridhaman’!”
Sources in the Navy said that the commissioning of INS Aridhaman was on the cards, as the submarine had already undergone extensive sea trials, and it coincided with Mr. Singh’s visit to Visakhapatnam for the commissioning of the stealth guided-missile frigate INS Taragiri on April 3.






