INS Karanj (S23)

INS Karanj (S23) is the third submarine of the first batch of six Kalvari-class submarines for the Indian Navy. It is a diesel-electric attack submarine based on the Scorpène class, designed by French naval defence and energy group DCNS and manufactured by Mazagon Dock Limited, an Indian shipyard in Mumbai. The submarine was launched on 31 January 2018, delivered to Indian Navy on 15 February 2021, commissioned on 10 March 2021 in Mumbai in presence of Chief of Naval Staff Admiral Karambir Singh and Admiral (Retired) VS Shekhawat.

INS Karanj (S23) during commissioning ceremony.
History
India
NameINS Karanj
NamesakeKaranj (S21)
Ordered2005
BuilderMazagon Dock Shipbuilders Limited, Mumbai
Launched31 January 2018
Acquired15 February 2021
Commissioned10 March 2021
IdentificationPennant number: S23
MottoSanskrit: Nity Nirghosh Nirbheek
Statusin active service
General characteristics
Class and typeKalvari-class submarine
Displacement
  • Surfaced: 1,615 tonnes (1,780 short tons)
  • Submerged: 1,775 tonnes (1,957 short tons)
Length67.5 m (221 ft)
Beam6.2 m (20 ft)
Height12.3 m (40 ft)
Draught5.8 m (19 ft)
Propulsion
  • 4 x MTU 12V 396 SE84 diesel engines
  • 360 x battery cells
  • DRDO PAFC Fuel Cell
    AIP (To be added in mid-life refit)
Speed
  • Surfaced: 11 kn (20 km/h)
  • Submerged: 20 kn (37 km/h)
Range
  • 6,500 nmi (12,000 km) at 8 kn (15 km/h) (surfaced)
  • 550 nmi (1,020 km) at 4 kn (7.4 km/h) (submerged)
Endurance50 days
Test depth350 metres (1,150 ft)
Complement
  • 8 officers
  • 35 sailors
Electronic warfare
& decoys
C303/S anti-torpedo countermeasure system
Armament
  • 6 x 533 mm (21 in) torpedo tubes for 18 SUT torpedoes OR
  • SM.39 Exocet anti-ship missiles
  • 30 mines in place of torpedoes

The submarine inherits its name from INS Karanj (S21) which served in the Navy from 1969 to 2003, and was named after Karanja island, also known as Uran island, located in the Raigad district of Maharashtra.

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