Durg-class corvette

The Durg‑class corvette was a series of small warships built for the Indian Navy in the 1970s. The class was derived from a Soviet design and constructed in Soviet shipyards for Indian service. The lead ship, INS Durg (P55), gave the class its name.

Design and development

  • The vessels were based on a Soviet corvette/anti‑submarine warfare (ASW) design, adapted to meet the Indian Navy’s requirements for coastal patrol and ASW duties.
  • Construction took place in the Soviet Union, and the ships were transferred to India upon completion.

Ships of the class
The class comprised a limited number of vessels, the most commonly referenced being:

  1. INS Durg (P55) – lead ship of the class.
  2. Additional units were reportedly commissioned, though publicly available sources provide limited details on their names and hull numbers.

Capabilities

  • Intended role: coastal patrol, escort, and anti‑submarine warfare.
  • Armament: typically equipped with a combination of naval guns, anti‑submarine mortars, and torpedo tubes, consistent with Soviet‑derived corvette configurations of the period.
  • Propulsion: diesel engines driving one or two propeller shafts, providing a speed suitable for littoral operations (approximately 20–25 knots).
  • Crew complement: roughly 70–80 personnel.

Service history

  • The Durg‑class ships entered service with the Indian Navy in the late 1970s.
  • They operated primarily in the Indian Ocean and the Bay of Bengal, performing patrol, surveillance, and ASW tasks.
  • All vessels of the class were decommissioned by the early 2000s, having been succeeded by more modern corvette and frigate designs.

Legacy
The Durg‑class represented an early effort by India to acquire indigenous‑compatible surface combatants through foreign procurement, laying groundwork for later domestic warship programs.

Note: Detailed technical specifications (displacement, dimensions, exact armament configurations) and the full list of ships in the class are not comprehensively documented in publicly available open‑source references.

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