Anti Submarine Warfare Shallow Water Craft

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Class overview

Cochin Shipyard

Operators:  Indian Navy
Preceded by: Abhay class
Planned: 16
General characteristics
Type: Corvette
Displacement: 700 tons
Length: 70 metres (230 ft)
Beam: 10.2 metres (33 ft)
Draught: 2.7 metres (8.9 ft)
Speed: 25 knots (46 km/h)+
Range: 1,800 nautical miles (3,300 km) at 14 knots (26 km/h)
Complement: 7O 50S

The ASW-SWC corvettes are anti submarine warfare vessels ordered for the Indian Navy from Cochin Shipyard (CSL) and Garden Reach Shipbuilders & Engineers (GRSE). They are in the 700 ton range and will replace the Abhay-class corvette currently in service.[1]


In December 2013, Defence Acquisition Council of the Indian Ministry of Defense (MoD) approved the purchase of 16 shallow water anti-submarine vessels at a cost of 13,440 crore (US$1.9 billion), to replace Russian-built Abhay-class corvettes commissioned between 1989 and 1991.[2][3]

In June 2014, under the "Buy and Make India" initiative, the MoD issued a tender to local private sector shipyards, including Larsen & Toubro, ABG Shipyard, Pipavav Shipyard, Goa Shipyard and Garden Reach Shipbuilders & Engineers. The vessels will be armed with torpedoes, rockets and two 12.7 mm machine guns in remote weapon stations. They are designed to be able to hunt for submarines in shallow waters. They will have a complement of 7 officers and 50 sailors.[4]

In October 2017, Cochin Shipyard and Garden Reach emerged has the L1 and L2 bidders respectively. They will manufacture 8 ships each.[1][5][6][7]

On 29 April 2019, Ministry of Defence and Garden Reach signed contract valued at 6,311 crore (US$910 million) for eight vessels to be delivered between 2022 and 2026.[8] The next day, Ministry of Defence and Cochin Shipyard signed a similar contract for eight vessels with identical terms.[9]


  1. ^ a b "Make in India: Government shipyards win Rs 12,000 crore deal to supply 16 ASW craft to Navy". Retrieved 2017-10-17.
  2. ^ Bhatnagar, Gaurav Vivek (2013-12-24). "Four major acquisitions for the Navy and the Army approved". The Hindu. ISSN 0971-751X. Retrieved 2017-10-17.
  3. ^ "MoD clears Navy plans to get 16 shallow-water anti-sub vessels", The Tribune, 25 December 2013, retrieved 27 May 2015
  4. ^ "India issues $2.25bn tender to procure ASW shallow-water craft". Naval Technology. Retrieved 2016-04-10.
  5. ^ "Cochin Shipyard surges 11% on bagging Indian Navy order". The Economic Times. 2017-10-10. Retrieved 2017-10-17.
  6. ^ Reporter, S. I. (2017-10-10). "Cochin Shipyard up 10% as it wins order worth Rs 5400 cr from Indian Navy". Business Standard India. Retrieved 2017-10-17.
  7. ^ Bureau, Our (2018-01-16). "Garden Reach Shipbuilders set to win ₹5,400-crore Navy order". The Hindu Business Line. Retrieved 2018-01-17.
  8. ^ Himatsingka, Anuradha (29 April 2019). "GRSE signs contract for 8 anti-submarine warfare shallow water crafts for Indian Navy". The Economic Times.
  9. ^ "Cochin Shipyard gets Rs 6,311 cr contract for anti-submarine". Business Standard. Press Trust of India. 30 April 2019.

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