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Stealth Frigate ‘Tavasya’ Launched at Goa Shipyard

Why in the News?

• ‘Tavasya’, the last of the four Krivak-class stealth frigates, was launched at Goa Shipyard Limited (GSL) on March 22, 2025.
• It is the second ship under construction at GSL under a technology transfer agreement with Russia.
• The launch marks a milestone in India’s naval self-reliance and defence production capabilities.

About ‘Tavasya’ Krivak-Class Stealth Frigates

• India and Russia signed an Inter-Governmental Agreement (IGA) in October 2016 for four additional Krivak-class stealth frigates.
• Under the agreement:
  • Two ships were imported directly from Russia.
  • Two ships were manufactured at Goa Shipyard under technology transfer.
• Frigate specifications:
  • Length: 124.8 m | Width: 15.2 m | Draught: 4.5 m.
  • Displacement: 3,600 tonnes.
  • Maximum speed: 28 knots.
• Engines: Powered by Zorya-Mashproekt (Ukraine) engines.
• First ship manufactured in India: Triput, launched in July 2024, set for delivery in 2026.
• First ship commissioned from Russia: Tushil, commissioned on December 9, 2024, now based in Karwar.
• Second Russian-manufactured frigate: Tamal, in advanced trials, expected to be commissioned in June 2025.
• Tavasya is expected to be the last warship built under foreign license, as India transitions to indigenous warship construction.

Tavasya FAQs

Q1: What is Anti-Submarine Warfare (ASW)?

Ans: ASW refers to military strategies and tactics used to detect, track, and neutralize enemy submarines using ships, aircraft, submarines, and underwater sensors.

Q2: What are the key components of ASW?

Ans: ASW operations involve Sonar systems (Active & Passive) for detection, Maritime patrol aircraft & helicopters (P-8I, MH-60R), ASW ships & submarines (Corvettes, destroyers) and Weapons like torpedoes, depth charges, and anti-submarine missiles.

Q3: Which countries have advanced ASW capabilities?

Ans: The U.S., Russia, China, India, the U.K., and France have advanced ASW capabilities, with specialized submarines, aircraft, and warships.

Q4: What is an ASROC missile?

Ans: ASROC (Anti-Submarine Rocket) is a missile system that delivers torpedoes or depth charges to enemy submarines from surface ships.

Source: TH