Anti-Submarine Warfare Shallow Water Craft (ASW SWC) Project

Anti-Submarine Warfare Shallow Water Craft (ASW SWC) Project Mind Map

This topic of “Anti-Submarine Warfare Shallow Water Craft (ASW SWC) Project” is important from the perspective of the UPSC IAS Examination, which falls under General Studies Portion.

Recent Developments (as of November 2023)

  • Launch of ‘Amini’: Fourth vessel, highlights naval strength enhancement
  • Name Significance: Reflects strategic importance of Amini Island, Laksha


  • Initiation: December 2013
  • Approval: Defence Acquisition Council (DAC), India
  • Objective: Replace Abhay-class corvettes
  • Cost: ₹13,440 crore (2013 value)

Tender and Contracts

  • Tender Issued: June 2014, to private shipyards
  • Winning Bidders: Cochin Shipyard (CSL), Garden Reach Shipbuilders & Engineers (GRSE)
  • Contract Date: April 2019
  • Contract Value: ₹6,311 crore for 8 ships each (GRSE and CSL)
  • Delivery Timeline: 2022-2026


  • Start: December 2020 (CSL), December 2020 (GRSE)
  • Key Milestones: Steel-cutting, keel laying, launching
  • Current Status: Ongoing construction

Design and Capabilities

  • Vessels: 16 ASW SWC ships
  • Builder Diversity: Different designs by CSL and GRSE
  • Length: 77.6 meters (GRSE), 78 meters (CSL)
  • Displacement: 700 tons (CSL), 900 tons (GRSE)
  • Speed: 25 knots
  • Range: 1,800 nautical miles
  • Armament: RBU-6000 anti-submarine rocket launcher, lightweight torpedoes, anti-submarine mines
  • Propulsion: Water-jet propulsion
  • Stealth Features: Reduced radar, acoustic, infrared signatures
  • Crew: 57 (7 officers + 50 sailors)
  • Sensors: Hull-mounted sonar, towed low-frequency variable-depth sonar

Strategic Role

  • Primary Missions: ASW operations, subsurface surveillance, SAU missions
  • Secondary Duties: Defense against aircraft, minelaying, search-and-rescue
  • Operational Area: Coastal and littoral waters

Indigenous Contribution

  • Make in India Initiative: Over 80% indigenous content
  • Significance: Boosts local defense manufacturing, employment

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