List of submarines of the Indian Navy

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This is a list of known submarines of the Indian Navy, grouped by class, and pennant numbers within the class.^[1]

In service[edit]

Class	Type	Boats	Origin	Displacement	Note
Nuclear-powered submarines (2)
class	Ballistic missile submarine (SSBN)	INS Arihant (S2) INS Arighat (S3)	India	6,000 tonnes
Diesel-electric submarines (16)
class (Scorpène-class)	Attack submarine	INS Kalvari (S21) INS Khanderi (S22) INS Karanj (S23) INS Vela (S24) INS Vagir (S25)	France India	1,775 tonnes
class (Type 209 submarine)	Attack submarine	INS Shishumar (S44) INS Shankush (S45) INS Shalki (S46) INS Shankul (S47)	West Germany India	1,850 tonnes	Shishumar and Shankush scheduled for mid-life refit in 2020-21.^[2]
class (Kilo-class)	Attack submarine	INS Sindhughosh (S55) INS Sindhuraj (S57) INS Sindhuratna (S59) INS Sindhukesari (S60) INS Sindhukirti (S61) INS Sindhuvijay (S62) INS Sindhurashtra (S65)	Soviet Union Russia	3,076 tonnes	Sindhuraj and Sindhukesari currently undergoing mid-life refit. Sindhughosh scheduled for refit in 2020.^[2]

Under construction[edit]

Class	Type	Boats	Origin	Displacement	Status
Nuclear submarines (3)
class	Ballistic missile submarine (SSBN)	S4 (code name) S4* (code name)	India	7,000 tonnes (S4 and S4*)	S4 launched and undergoing fit-out S4* hull under construction^[3]^[4]
Diesel-electric submarines (2)
class	Attack submarine	INS Vagsheer (S26)	France India	1,870 tonnes	INS Vagsheer launched on 20th April 2022; Harbor trials expected to commence soon, followed by sea trials^[5]

Planned[edit]

Class	Type	Boats	Origin	Displacement	Status	Note
Nuclear submarines (10)
class	Ballistic missile submarine (SSBN)	3	India	13,500 tonnes	3 planned	Project was approved with a budget of ₹10,000 crore (US$1.4 billion).^[6]^[7]^[8]
Project 75 Alpha	Attack submarine (SSN)	6	India	6,000 tonnes	6 planned	6 boats are planned and are expected to be constructed at the Shipbuilding Centre (SBC) at Visakhapatnam.^[9] Project clearance was granted by the Cabinet Committee on Security in February 2015.^[10]
class	Attack submarine (SSN)	1	Russia	12,770 tonnes	1 planned	In March 2019, India signed a US$3 billion agreement with Russia to lease another Akula-class submarine, which is expected to join the Indian Navy by 2025.^[11]
Diesel-electric submarines (6)
Project 75I-class submarine	Attack submarine (SSN); possibly Cruise missile submarine (SSG)	6	India	Unspecified	6 planned	It had been approved by the government worth ₹43000 crore in June 2020. However due to unrealistic requirements in the RFI, vendors have pulled out of the project as of 2022. It is likely to be scrapped and alternative ways of procurement looked at.

Decommissioned[edit]

Class	Ships	Origin	Commissioned	Decommissioned	Displacement^{[lower-alpha 1]}	Note
Nuclear-powered attack submarines (2)
Charlie I-class	INS Chakra (K-43)	Soviet Union	1 September 1987	January 1991	5,000 tonnes	Leased for 10 years but returned to Soviet Union in 1991 after 3 years. Decommissioned and scrapped 1992.
Improved Akula I-class	INS Chakra (S71)	Russia	4 April 2012	June 2021	8,140 tonnes	Under a 10-year lease from Russia since 2012; returned 2021.
Diesel-electric submarines (10)
class (Foxtrot-class)	INS Kalvari (S23) INS Khanderi (S22) INS Karanj (S21) INS Kursura (S20)	Soviet Union	8 December 1967 6 December 1968 4 September 1969 18 December 1969	31 May 1996 18 October 1989 1 August 2003 27 September 2001	2,475 tonnes	-Sail on display -Sail on display -Unknown -As a museum
class (Foxtrot-class)	INS Vela (S40) INS Vagir (S41) INS Vagli (S42) INS Vagsheer (S43)	Soviet Union	31 August 1973 3 November 1973 10 August 1974 26 December 1974	25 June 2010 7 June 2001 9 December 2010 30 April 1997	2,475 tonnes	-Unknown -Unknown -To be preserved as a museum -Unknown
class (Kilo-class)	INS Sindhurakshak (S63) INS Sindhuvir (S58) INS Sindhudhvaj (S56)	Russia Soviet Union	24 December 1997 26 August 1988	6 March 2017 March 2020 16 July 2022	3,076 tonnes	-Decommissioned /sunk after accident/salvage -Transferred to Myanmar Navy.

INS Chakra (S71), a leased Soviet Charlie-class nuclear submarine.

INS Kursura museum ship

Notes[edit]

↑ Displacement when submerged

References[edit]

↑ "Submarines active". Indian Navy. Archived from the original on 19 August 2013. Retrieved 1 January 2013.
↑ ^2.0 ^2.1 Nair-Ghaswalla, Amrita (7 February 2018). "Six Indian Navy submarines to be upgraded". The Hindu. Retrieved 11 February 2018.
↑ Bedi, Rahul (11 December 2017). "India quietly launches second SSBN". IHS Jane's Defence Weekly. Archived from the original on 12 December 2017.
↑ Bedi, Rahul (30 December 2021). "India Quietly Launches Third Arihant-Class Nuclear-Powered Submarine: Report". The Wire.
↑ "INS Vagsheer, the sixth Scorpene Submarine of Project-75, launched in Mumbai. All you need to know". www.livemint.com. Retrieved 20 April 2022.
↑ Unnithan, Sandeep (7 December 2017). "From India Today magazine: A peek into Indias top secret and costliest defence project, nuclear submarines". India Today. Retrieved 12 December 2017.
↑ Diplomat, Saurav Jha, The. "India's Undersea Deterrent". The Diplomat. Retrieved 19 May 2019.{{cite web}}: CS1 maint: multiple names: authors list (link)
↑ Roblin, Sebastien (27 January 2019). "India is Building a Deadly Force of Nuclear-Missile Submarines". The National Interest. Retrieved 2 September 2019.
↑ "Move to fast-track two submarine projects gathers steam". Archived from the original on 23 December 2015.
↑ "Rs 1.2 lakh crore nuclear submarine project closer to realisation".
↑ "Russia to lease nuclear submarine to Indian Navy in $3 billion deal". The Week. Press Trust of India. 8 March 2019.

External links[edit]

Template:Submarines

[under-12] Displacement when submerged

[1] "Submarines active". Indian Navy. Archived from the original on 19 August 2013. Retrieved 1 January 2013.

[subs_upgrade-2] 2.0 ^2.1 Nair-Ghaswalla, Amrita (7 February 2018). "Six Indian Navy submarines to be upgraded". The Hindu. Retrieved 11 February 2018.

[3] Bedi, Rahul (11 December 2017). "India quietly launches second SSBN". IHS Jane's Defence Weekly. Archived from the original on 12 December 2017.

[4] Bedi, Rahul (30 December 2021). "India Quietly Launches Third Arihant-Class Nuclear-Powered Submarine: Report". The Wire.

[5] "INS Vagsheer, the sixth Scorpene Submarine of Project-75, launched in Mumbai. All you need to know". www.livemint.com. Retrieved 20 April 2022.

[indiatoday-7dec17-6] Unnithan, Sandeep (7 December 2017). "From India Today magazine: A peek into Indias top secret and costliest defence project, nuclear submarines". India Today. Retrieved 12 December 2017.

[7] Diplomat, Saurav Jha, The. "India's Undersea Deterrent". The Diplomat. Retrieved 19 May 2019.{{cite web}}: CS1 maint: multiple names: authors list (link)

[8] Roblin, Sebastien (27 January 2019). "India is Building a Deadly Force of Nuclear-Missile Submarines". The National Interest. Retrieved 2 September 2019.

[9] "Move to fast-track two submarine projects gathers steam". Archived from the original on 23 December 2015.

[10] "Rs 1.2 lakh crore nuclear submarine project closer to realisation".

[11] "Russia to lease nuclear submarine to Indian Navy in $3 billion deal". The Week. Press Trust of India. 8 March 2019.

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