
Visakhapatnam, April 3: Defense Minister Rajnath Singh laid the foundation for a state-of-the-art ‘Large Cavitation Tunnel’ (LCT) facility at the Naval Science and Technological Laboratory (NSTL) in Visakhapatnam on Friday. An official announced this development.
According to an official statement, this facility will significantly enhance India’s naval research and testing capabilities, marking a major step towards achieving technological self-reliance.
Addressing scientists, researchers, and staff at NSTL, the Defense Minister emphasized that this initiative will enable India to design, develop, and test its equipment, systems, and subsystems domestically, thereby establishing itself as a formidable naval power and a leader in defense technology.
He stated, “Despite successfully developing equipment, systems, and subsystems, we often had to look abroad for critical testing. This situation will change.”
Rajnath Singh noted that this facility is not just an infrastructure project but a capable system that will strengthen our abilities in propulsion systems, facilitate efforts focused on reducing noise, and enhance stealth capabilities.
He added, “This will serve as a fundamental basis for the design and development of submarines and ships, supporting future advancements in naval engineering and maritime defense systems.”
The Defense Minister described this project as a symbol of the success of Prime Minister Narendra Modi’s vision for ‘Atmanirbhar Bharat’ (Self-Reliant India).
During his visit, the Defense Minister was briefed about NSTL’s projects and programs by Dr. Samir V. Kamat, Secretary of the Department of Defense Research and Development and Chairman of DRDO.
He also toured the ‘Seakeeping and Maneuvering Basin,’ where he witnessed an impressive demonstration of advanced underwater systems, including torpedoes, naval mines, decoys, and Autonomous Underwater Vehicles (AUVs).
A live demonstration of a group of man-portable AUVs showcased India’s growing capabilities in autonomous maritime operations and next-generation underwater warfare techniques, highlighting the nation’s focus on future-ready defense systems.
The statement mentioned that the Defense Minister also inspected some significant products developed as spin-off technologies by the Naval Systems Materials Cluster Labs following ‘Operation Sindoor.’

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