List of submarines of the Indian Navy

Updated: 5/20/2026, 8:10:10 PM Wikipedia source

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

Tables

Class

Nuclear ballistic missile submarine (3)

Class

Nuclear ballistic missile submarine (3)

Image

Nuclear ballistic missile submarine (3)

Boat

Nuclear ballistic missile submarine (3)

No.

Nuclear ballistic missile submarine (3)

Disp. (t)

Nuclear ballistic missile submarine (3)

Comm.

Nuclear ballistic missile submarine (3)

Origin

Nuclear ballistic missile submarine (3)

Homeport

Nuclear ballistic missile submarine (3)

Note

Arihant class

Nuclear ballistic missile submarine (3)

Arihant class

Nuclear ballistic missile submarine (3)

INS Arihant

Nuclear ballistic missile submarine (3)

6,000

Nuclear ballistic missile submarine (3)

2016

Nuclear ballistic missile submarine (3)

India

Nuclear ballistic missile submarine (3)

Visakhapatnam

Nuclear ballistic missile submarine (3)

First ever indigenously-built class of nuclear ballistic missile submarines.

INS Arighaat

Nuclear ballistic missile submarine (3)

INS Arighaat

Nuclear ballistic missile submarine (3)

2024

INS Aridhaman

Nuclear ballistic missile submarine (3)

INS Aridhaman

Nuclear ballistic missile submarine (3)

7,000

Nuclear ballistic missile submarine (3)

2026

Attack submarine (16)

Nuclear ballistic missile submarine (3)

Attack submarine (16)

Class

Nuclear ballistic missile submarine (3)

Class

Nuclear ballistic missile submarine (3)

Image

Nuclear ballistic missile submarine (3)

Boat

Nuclear ballistic missile submarine (3)

No.

Nuclear ballistic missile submarine (3)

Disp. (t)

Nuclear ballistic missile submarine (3)

Comm.

Nuclear ballistic missile submarine (3)

Origin

Nuclear ballistic missile submarine (3)

Homeport

Nuclear ballistic missile submarine (3)

Note

Kalvari class

Nuclear ballistic missile submarine (3)

Kalvari class

Nuclear ballistic missile submarine (3)

INS Kalvari

Nuclear ballistic missile submarine (3)

S21

Nuclear ballistic missile submarine (3)

1,800

Nuclear ballistic missile submarine (3)

2017

Nuclear ballistic missile submarine (3)

France India

Nuclear ballistic missile submarine (3)

Mumbai

Nuclear ballistic missile submarine (3)

Indian-specific variant of the Scorpène-class submarine.

INS Khanderi

Nuclear ballistic missile submarine (3)

INS Khanderi

Nuclear ballistic missile submarine (3)

S22

Nuclear ballistic missile submarine (3)

2019

Nuclear ballistic missile submarine (3)

Karwar

INS Karanj

Nuclear ballistic missile submarine (3)

INS Karanj

Nuclear ballistic missile submarine (3)

S23

Nuclear ballistic missile submarine (3)

2021

INS Vela

Nuclear ballistic missile submarine (3)

INS Vela

Nuclear ballistic missile submarine (3)

S24

Nuclear ballistic missile submarine (3)

2021

Nuclear ballistic missile submarine (3)

Mumbai

INS Vagir

Nuclear ballistic missile submarine (3)

INS Vagir

Nuclear ballistic missile submarine (3)

S25

Nuclear ballistic missile submarine (3)

2023

INS Vagsheer

Nuclear ballistic missile submarine (3)

INS Vagsheer

Nuclear ballistic missile submarine (3)

S26

Nuclear ballistic missile submarine (3)

2025

Sindhughosh class

Nuclear ballistic missile submarine (3)

Sindhughosh class

Nuclear ballistic missile submarine (3)

INS Sindhuraj

Nuclear ballistic missile submarine (3)

S57

Nuclear ballistic missile submarine (3)

3,076

Nuclear ballistic missile submarine (3)

1987

Nuclear ballistic missile submarine (3)

Soviet Union Russia

Nuclear ballistic missile submarine (3)

Mumbai

Nuclear ballistic missile submarine (3)

Indian-specific variant of the Kilo-class submarine (P ).

INS Sindhuratna

Nuclear ballistic missile submarine (3)

INS Sindhuratna

Nuclear ballistic missile submarine (3)

S59

Nuclear ballistic missile submarine (3)

1988

INS Sindhukesari

Nuclear ballistic missile submarine (3)

INS Sindhukesari

Nuclear ballistic missile submarine (3)

S60

Nuclear ballistic missile submarine (3)

1988

Nuclear ballistic missile submarine (3)

Visakhapatnam

INS Sindhukirti

Nuclear ballistic missile submarine (3)

INS Sindhukirti

Nuclear ballistic missile submarine (3)

S61

Nuclear ballistic missile submarine (3)

1989

INS Sindhuvijay

Nuclear ballistic missile submarine (3)

INS Sindhuvijay

Nuclear ballistic missile submarine (3)

S62

Nuclear ballistic missile submarine (3)

1991

INS Sindhurashtra

Nuclear ballistic missile submarine (3)

INS Sindhurashtra

Nuclear ballistic missile submarine (3)

S65

Nuclear ballistic missile submarine (3)

2000

Shishumar class

Nuclear ballistic missile submarine (3)

Shishumar class

Nuclear ballistic missile submarine (3)

INS Shishumar

Nuclear ballistic missile submarine (3)

S44

Nuclear ballistic missile submarine (3)

1,850

Nuclear ballistic missile submarine (3)

1986

Nuclear ballistic missile submarine (3)

West Germany India

Nuclear ballistic missile submarine (3)

Mumbai

Nuclear ballistic missile submarine (3)

Indian-specific variant of the Type 209/1500 submarine.

INS Shankush

Nuclear ballistic missile submarine (3)

INS Shankush

Nuclear ballistic missile submarine (3)

S45

Nuclear ballistic missile submarine (3)

1986

INS Shalki

Nuclear ballistic missile submarine (3)

INS Shalki

Nuclear ballistic missile submarine (3)

S46

Nuclear ballistic missile submarine (3)

1992

INS Shankul

Nuclear ballistic missile submarine (3)

INS Shankul

Nuclear ballistic missile submarine (3)

S47

Nuclear ballistic missile submarine (3)

1994

Nuclear ballistic missile submarine (3)
Class	Image	Boat	No.	Disp. (t)	Comm.	Origin	Homeport	Note
Arihant class		INS Arihant	S2	6,000	2016	India	Visakhapatnam	First ever indigenously-built class of nuclear ballistic missile submarines.
		INS Arighaat	S3	6,000	2024
		INS Aridhaman	S4	7,000	2026
Attack submarine (16)
Class	Image	Boat	No.	Disp. (t)	Comm.	Origin	Homeport	Note
Kalvari class		INS Kalvari	S21	1,800	2017	France India	Mumbai	Indian-specific variant of the Scorpène-class submarine.
		INS Khanderi	S22		2019		Karwar
		INS Karanj	S23		2021		Karwar
		INS Vela	S24		2021		Mumbai
		INS Vagir	S25		2023
		INS Vagsheer	S26		2025
Sindhughosh class		INS Sindhuraj	S57	3,076	1987	Soviet Union Russia	Mumbai	Indian-specific variant of the Kilo-class submarine (P ).
		INS Sindhuratna	S59		1988		Mumbai
		INS Sindhukesari	S60		1988		Visakhapatnam
		INS Sindhukirti	S61		1989
		INS Sindhuvijay	S62		1991
		INS Sindhurashtra	S65		2000
Shishumar class		INS Shishumar	S44	1,850	1986	West Germany India	Mumbai	Indian-specific variant of the Type 209/1500 submarine.
		INS Shankush	S45		1986
		INS Shalki	S46		1992
		INS Shankul	S47		1994

· Planned

Nuclear submarines (11-13)

Class

Nuclear submarines (11-13)

S5 class

Class

S5 class

Picture

Type

Ballistic missile submarine (SSBN)

Boats

4-6

Origin

India

Displacement

13,500 tonnes

Status

4-6 planned

Note

Project was approved with a budget of ₹10,000 crore (US$1 billion).

Project 75 Alpha

Class

Project 75 Alpha

Type

Attack submarine (SSN)

Boats

Origin

India

Displacement

10,000 tonnes

Status

6 planned

Note

6 boats are planned and are expected to be constructed at the Shipbuilding Centre (SBC) at Visakhapatnam. Project clearance was granted by the Cabinet Committee on Security in February 2015.

Akula class

Class

Akula class

Picture

Type

Attack submarine (SSN)

Boats

Origin

Russia

Displacement

12,770 tonnes

Status

1 planned

Note

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 2026.

Diesel-electric submarines (21)

Class

Diesel-electric submarines (21)

Project 75(I) Class

Class

Project 75(I) Class

Type

Attack submarine (SSK)

Boats

Origin

India

Displacement

3,000-4,000t

Status

6 approved

Note

It had been approved by the government worth ₹43,000 crore in June 2020. The chosen submarine is an modified design of the German Type 214 submarine.

Kalvari class

Class

Kalvari class

Type

Attack submarine

Boats

Origin

India/ France

Displacement

>2,000t

Status

3 planned

Note

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.

Project 76 class

Class

Project 76 class

Type

Attack submarine

Boats

Origin

India

Displacement

3,000t

Status

12 planned

Note

Approval from the Cabinet Committee on Security (CCS) due as if February 2025.

Class	Picture	Type	Boats	Origin	Displacement	Status	Note
Nuclear submarines (11-13)
S5 class		Ballistic missile submarine (SSBN)	4-6	India	13,500 tonnes	4-6 planned	Project was approved with a budget of ₹10,000 crore (US$1 billion).
Project 75 Alpha		Attack submarine (SSN)	6	India	10,000 tonnes	6 planned	6 boats are planned and are expected to be constructed at the Shipbuilding Centre (SBC) at Visakhapatnam. Project clearance was granted by the Cabinet Committee on Security in February 2015.
Akula 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 2026.
Diesel-electric submarines (21)
Project 75(I) Class		Attack submarine (SSK)	6	India	3,000-4,000t	6 approved	It had been approved by the government worth ₹43,000 crore in June 2020. The chosen submarine is an modified design of the German Type 214 submarine.
Kalvari class		Attack submarine	3	India/ France	>2,000t	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.
Project 76 class		Attack submarine	12	India	3,000t	12 planned	Approval from the Cabinet Committee on Security (CCS) due as if February 2025.

Nuclear Submarines

Boat

Nuclear Submarines

INS Chakra

Boat

INS Chakra

Pennant

S71

Class

Charlie class

Commissioned

1 September 1987

Decommissioned

Returned to Soviet Union in January 1991

Fate

Scrapped in Russia.

Notes

Leased from the Soviet Union.

INS Chakra

Boat

INS Chakra

Pennant

S71

Class

Akula class

Commissioned

4 April 2012

Decommissioned

Returned to Russia June 2021

Notes

Returned to Russia before 10-year lease completed, due to extensive damage suffered in service.

Conventional Submarines

Boat

Conventional Submarines

INS Khanderi

Boat

INS Khanderi

Pennant

S22

Class

Kalvari class

Commissioned

6 December 1968

Decommissioned

18 October 1989

Fate

Scrapped but sail fin on display

INS Kalvari

Boat

INS Kalvari

Pennant

S23

Class

Kalvari class

Commissioned

8 December 1967

Decommissioned

31 May 1996

Fate

Scrapped but sail fin on display

INS Kursura

Boat

INS Kursura

Pennant

S20

Class

Kalvari class

Commissioned

18 December 1969

Decommissioned

27 September 2001

Fate

Converted to Museum Ship at Ramakrishna Mission Beach, Visakhapatnam.

INS Karanj

Boat

INS Karanj

Pennant

S21

Class

Kalvari class

Commissioned

4 September 1969

Decommissioned

1 August 2003

INS Vagsheer

Boat

INS Vagsheer

Pennant

S43

Class

Vela class

Commissioned

26 December 1974

Decommissioned

30 April 1997

INS Vagir

Boat

INS Vagir

Pennant

S41

Class

Vela class

Commissioned

3 November 1973

Decommissioned

7 June 2001

INS Vela

Boat

INS Vela

Pennant

S40

Class

Vela class

Commissioned

31 August 1973

Decommissioned

25 June 2010

INS Vagli

Boat

INS Vagli

Pennant

S42

Class

Vela class

Commissioned

10 August 1974

Decommissioned

9 December 2010

Fate

To be preserved as a museum in Tamil Nadu.

INS Sindhurakshak

Boat

INS Sindhurakshak

Pennant

S63

Class

Sindhughosh class

Commissioned

24 December 1997

Decommissioned

6 March 2017

Fate

Sunk

Notes

Exploded and sank on 14 August 2013. After being salvaged in June 2014, she was decommissioned in March 2017 and disposed of at sea that June.

INS Sindhuvir

Boat

INS Sindhuvir

Pennant

S58

Class

Sindhughosh class

Commissioned

26 August 1988

Decommissioned

March 2020

Fate

Transferred to Myanmar Navy

INS Sindhudhvaj

Boat

INS Sindhudhvaj

Pennant

S56

Class

Sindhughosh class

Commissioned

12 June 1987

Decommissioned

16 July 2022

Fate

Decommissioned

INS Sindhughosh

Boat

INS Sindhughosh

Pennant

S55

Class

Sindhughosh class

Commissioned

30 April 1986

Decommissioned

19 December 2025

Boat	Pennant	Class	Commissioned	Decommissioned	Fate	Notes
Nuclear Submarines
INS Chakra	S71	Charlie class	1 September 1987	Returned to Soviet Union in January 1991	Scrapped in Russia.	Leased from the Soviet Union.
INS Chakra	S71	Akula class	4 April 2012	Returned to Russia June 2021		Returned to Russia before 10-year lease completed, due to extensive damage suffered in service.
Conventional Submarines
INS Khanderi	S22	Kalvari class	6 December 1968	18 October 1989	Scrapped but sail fin on display
INS Kalvari	S23	Kalvari class	8 December 1967	31 May 1996	Scrapped but sail fin on display
INS Kursura	S20	Kalvari class	18 December 1969	27 September 2001	Converted to Museum Ship at Ramakrishna Mission Beach, Visakhapatnam.
INS Karanj	S21	Kalvari class	4 September 1969	1 August 2003
INS Vagsheer	S43	Vela class	26 December 1974	30 April 1997
INS Vagir	S41	Vela class	3 November 1973	7 June 2001
INS Vela	S40	Vela class	31 August 1973	25 June 2010
INS Vagli	S42	Vela class	10 August 1974	9 December 2010	To be preserved as a museum in Tamil Nadu.
INS Sindhurakshak	S63	Sindhughosh class	24 December 1997	6 March 2017	Sunk	Exploded and sank on 14 August 2013. After being salvaged in June 2014, she was decommissioned in March 2017 and disposed of at sea that June.
INS Sindhuvir	S58	Sindhughosh class	26 August 1988	March 2020	Transferred to Myanmar Navy
INS Sindhudhvaj	S56	Sindhughosh class	12 June 1987	16 July 2022	Decommissioned
INS Sindhughosh	S55	Sindhughosh class	30 April 1986	19 December 2025	Decommissioned

List of submarines of the Indian Navy

Tables

References