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Indian minister lays foundation for naval tunnel and commissions nuclear sub and frigate.
Defence Minister Rajnath Singh laid the foundation stone for a Large Cavitation Tunnel at the Naval Science & Technological Laboratory in Visakhapatnam on April 4, 2026.
This new facility will enable India to test naval systems domestically, boosting self-reliance in propulsion, stealth, and underwater warfare technologies.
Singh also commissioned the nuclear-powered submarine INS Aridaman and inducted the stealth frigate INS Taragiri into the Indian Navy.
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Ministro indio pone las bases para el túnel naval y encarga submarino nuclear y fragata.