Project-76

The Defence Research and Development Organisation (DRDO) has taken up a preliminary study on the design and development of an indigenous conventional submarine under Project-76.

• A formal case for project sanction will be put up to the Cabinet Committee on Security (CCS) after the initial preliminary study is completed.

About Submarines

• Submarine are naval vessels or ships  that is capable of propelling itself beneath the water or underground  as well as on the water’s surface.
  • Submarines missiles or weapon systems are called a torpedo
• First used: Submarines were first employed in naval  warfare during World War I (1914–18), when Germany employed them to destroy surface merchant vessels.
• Submarines in Indian Navy: The Navy has a 30-year submarine building programme and after the P-75I, it intends to design and build conventional submarines indigenously.
  • Nuclear  ballistic missile submarines (SSBN): The Arihant class submarines comprising INS Arihant (S2) and INS Arighat (S3) are  developed under the Advanced Technology Vessel (ATV) project to design and build nuclear-powered submarines.
  • Convention Diesel Electric submarines: 
    • Kalvari Class: INS Kalvari is the first of the six Scorpene class submarines built under Project 75, commissioned on 14 December 2017.
    • Sindhughosh Class: Sindhughosh class submarines are the Kilo class diesel-electric submarines and  have a displacement of 3,000 tonnes.
    • Shishumar Class: The Shishumar class vessels (Type 1500) are diesel-electric submarines being developed by the German yard Howaldtswerke-Deutsche Werft.

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Project-76

Project-76 is a program to design & develop a new generation of indigenous conventional Air Independent Propulsion equipped diesel-electric attack submarines for the navy.

• The Project-76  will be a continuation of the Advanced Technology Vessel (ATV) project, to build a conventional submarine
  • The Arihant series of nuclear ballistic missile submarines (SSBN) are being built under the project.
• Successor to: The project will be a successor to Project-75 (France)  and Project 75I (German/ Spanish) and harness the learning and the best of their technology.
• Built by: The project will be a joint effort by DRDO and the Warship Design Bureau of Indian Navy (design of the submarine is expected to be completed by 2026) 
• Fleet Size: The Indian Navy is anticipating to build 6 submarines under Project 76 with the weight ranging from 3000-4000 tons. 
• Technology: It is expected to features some of the very advance technologies such as AIP technology, indigenous Weapon Control system, & Lithium-ion batteries,  advanced acoustic absorption techniques, low radiated noise levels, long-range guided torpedoes, tube-launched anti-ship missiles, sonars and sensor suites.
• Indigenous Content: The Project will have close to 70-80% indigenous content, including weapons, missiles, combat management system, sonars, communications, Electronic Warfare suite, mast and periscope.

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