List of submarines of the Indian Navy

Short description: None

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

## Contents

* 1 In service
* 2 Under construction
* 3 Planned
* 4 Decommissioned
* 5 See also
* 6 Notes
* 7 References
* 8 External links

## In service

Class  | Type  | Boats  | Origin  | Displacement  | Note

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|
|
|
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Nuclear-powered submarines (2)
Arihant class | Ballistic missile submarine (SSBN)  | INS Arihant (S2)
INS Arighat (S3) | India | 6,000 tonnes  | Powered by a 83 MW pressurized light-water reactor using enriched uranium. First prototype of the ATV project and experimental protoype.
Diesel-electric submarines (16)
Kalvari class (Scorpène-class)  | Attack submarine | INS Kalvari (S21)
INS Khanderi (S22)
INS Karanj (S23)
INS Vela (S24)
INS Vagir (S25)INS Vaghsheer (S26)[2] | France
India | 1,775 tonnes  | French design. India got full technology transfer and license for up to 12 units produced locally in Indian shipyards.
Shishumar 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.[3]
Sindhughosh 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.[3]

## Under construction

Class  | Picture  | Type  | Boats  | Origin  | Displacement  | Status

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Nuclear submarines (2)
Arihant 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[4][5]
Diesel-electric submarines (1)
Kalvari class |  | Attack submarine | INS Vagsheer (S26)  | France
India | above 2000 tonnes  | Three more units ordered with an new plug module that would give the submarine AIP capability. These units will be larger in size and it is planned that all previous units will be upgraded during their next overhaul cycle.[6]

## Planned

Class  | Picture  | Type  | Boats  | Origin  | Displacement  | Status  | Note

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|
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|
|
|
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Nuclear submarines (10)
S5 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).[7][8][9]
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.[10] Project clearance was granted by the Cabinet Committee on Security in February 2015.[11]
Akula class |  | Attack submarine (SSN) | 0  |  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.[12]
Diesel-electric submarines (9)
Project 75I-class submarine |  | Attack submarine (SSK); 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.
kalvari class |  | Attack Submarine | 3  | India France | Above 2000 tonne  | 3 planned  | new plug module that would give the submarine AIP capability. These units will be larger in size and it is planned that all previous units will be upgraded during their next overhaul cycle.[6]

## Decommissioned

Class  | Ships  | Origin  | Commissioned  | Decommissioned  | Displacement[lower-alpha 1] | Note

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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)
Kalvari 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

Vela 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

Sindhughosh 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

## See also

Indian navy related lists

* Aircraft of the Indian Navy
* List of active Indian Navy ships
* List of Indian naval aircraft
* List of Indian Navy bases
* List of ships of the Indian Navy

Indian military related

* India-China Border Roads
* Indian military satellites
* List of active Indian military aircraft
* List of Indian Air Force stations
* India's overseas military bases
* Indian Nuclear Command Authority

## Notes

1. ↑ Displacement when submerged

## References

1. ↑ "Submarines active". Indian Navy. http://indiannavy.nic.in/naval-fleet/submarines-service.
2. ↑ "INS Vagsheer, the sixth Scorpene Submarine of Project-75, launched in Mumbai. All you need to know" (in en). 20 April 2022. https://www.livemint.com/news/india/ins-vagsheer-the-sixth-scorpene-submarine-of-project-75-launched-in-mumbai-all-you-need-to-know/amp-11650438207676.html.
3. ↑ 3.0 3.1 Nair-Ghaswalla, Amrita (7 February 2018). "Six Indian Navy submarines to be upgraded". The Hindu. http://www.thehindubusinessline.com/news/six-indian-navy-submarines-to-be-upgraded/article22681899.ece#comments.
4. ↑ Bedi, Rahul (11 December 2017). "India quietly launches second SSBN". IHS Jane's Defence Weekly. http://www.janes.com/article/76315/india-quietly-launches-second-ssbn.
5. ↑ Bedi, Rahul (30 December 2021). "India Quietly Launches Third Arihant-Class Nuclear-Powered Submarine: Report". The Wire. https://m.thewire.in/article/security/india-quietly-launches-its-third-arihant-class-nuclear-powered-submarine-report.
6. ↑ Menon, Adithya Krishna (2023-07-14). "India to Procure Rafale M, More Scorpene Submarines" (in en-US). https://www.navalnews.com/naval-news/2023/07/india-to-procure-rafale-m-more-scorpene-submarines/.
7. ↑ Unnithan, Sandeep (7 December 2017). "From India Today magazine: A peek into Indias top secret and costliest defence project, nuclear submarines". India Today. http://indiatoday.intoday.in/story/india-ballistic-missile-submarine-k-6-submarine-launched-drdo/1/1104982.html.
8. ↑ Diplomat, Saurav Jha, The. "India's Undersea Deterrent" (in en-US). https://thediplomat.com/2016/03/indias-undersea-deterrent/.
9. ↑ Roblin, Sebastien (2019-01-27). "India is Building a Deadly Force of Nuclear-Missile Submarines" (in en). https://nationalinterest.org/blog/buzz/india-building-deadly-force-nuclear-missile-submarines-42532.
10. ↑ "Move to fast-track two submarine projects gathers steam". http://timesofIndia.Indiatimes.com/India/Move-to-fast-track-two-submarine-projects-gathers-steam/articleshow/38342676.cms.
11. ↑ "Rs 1.2 lakh crore nuclear submarine project closer to realisation". https://economictimes.indiatimes.com/news/defence/indias-rs-1-2-l-cr-n-submarine-project-closer-to-realisation/articleshow/74234776.cms.
12. ↑ "Russia to lease nuclear submarine to Indian Navy in $3 billion deal" (in en). The Week. Press Trust of India. 8 March 2019. https://www.theweek.in/news/india/2019/03/08/russia-lease-nuclear-submarine-indian-navy.html.

## External links

* THE SUBMARINE ARMsam
* Cruise control

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