INS Arihant
E343112
INS Arihant is India’s first indigenously built nuclear-powered ballistic missile submarine, forming a key part of the country’s strategic nuclear deterrent.
All labels observed (1)
| Label | Occurrences |
|---|---|
| INS Arihant canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3227655 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: INS Arihant Context triple: [Indian Navy, hasBallisticMissileSubmarine, INS Arihant]
-
A.
INS Vikrant (IAC-1)
INS Vikrant (IAC-1) is India’s first indigenous aircraft carrier, symbolizing the country’s growing self-reliance and capability in advanced naval warship construction.
-
B.
INS Vikramaditya
INS Vikramaditya is a modified Kiev-class aircraft carrier serving as one of the Indian Navy’s primary flagship warships.
-
C.
Shivalik-class frigate
The Shivalik-class frigate is a class of stealth multi-role warships designed and built in India, serving as key frontline surface combatants of the Indian Navy.
-
D.
Sindhughosh-class submarine
The Sindhughosh-class submarine is a series of diesel-electric attack submarines operated by India, derived from the Russian Kilo-class and used primarily for anti-ship and anti-submarine warfare.
-
E.
Kolkata-class destroyer
The Kolkata-class destroyer is a class of advanced stealth-guided missile destroyers serving as major surface combatants in the Indian Navy, designed for multi-role operations including air defense, anti-surface, and anti-submarine warfare.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: INS Arihant Target entity description: INS Arihant is India’s first indigenously built nuclear-powered ballistic missile submarine, forming a key part of the country’s strategic nuclear deterrent.
-
A.
INS Vikrant (IAC-1)
INS Vikrant (IAC-1) is India’s first indigenous aircraft carrier, symbolizing the country’s growing self-reliance and capability in advanced naval warship construction.
-
B.
INS Vikramaditya
INS Vikramaditya is a modified Kiev-class aircraft carrier serving as one of the Indian Navy’s primary flagship warships.
-
C.
Shivalik-class frigate
The Shivalik-class frigate is a class of stealth multi-role warships designed and built in India, serving as key frontline surface combatants of the Indian Navy.
-
D.
Sindhughosh-class submarine
The Sindhughosh-class submarine is a series of diesel-electric attack submarines operated by India, derived from the Russian Kilo-class and used primarily for anti-ship and anti-submarine warfare.
-
E.
Kolkata-class destroyer
The Kolkata-class destroyer is a class of advanced stealth-guided missile destroyers serving as major surface combatants in the Indian Navy, designed for multi-role operations including air defense, anti-surface, and anti-submarine warfare.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
nuclear-powered ballistic missile submarine
ⓘ
ship ⓘ submarine ⓘ |
| affiliation | Strategic Forces Command ⓘ |
| armament |
K-15 Sagarika submarine-launched ballistic missiles
ⓘ
K-4 submarine-launched ballistic missiles ⓘ torpedoes ⓘ |
| beam | approximately 11 meters ⓘ |
| builder |
Atomic Energy Establishment, Trombay
ⓘ
surface form:
Bhabha Atomic Research Centre
Defence Research and Development Organisation ⓘ Indian Navy ⓘ Ship Building Centre, Visakhapatnam ⓘ
surface form:
Shipbuilding Centre Visakhapatnam
|
| class |
Arihant-class submarine
ⓘ
surface form:
Arihant class
|
| commissioned | 2016-08 ⓘ |
| constructionStart | 1990s ⓘ |
| countryOfOrigin | India ⓘ |
| crew |
approximately 90
ⓘ
officers and sailors ⓘ |
| deterrenceRole | sea-based nuclear deterrent for India ⓘ |
| displacement | approximately 6000 tonnes submerged ⓘ |
| draft | approximately 10 meters ⓘ |
| enteredOperationalService | late 2010s ⓘ |
| firstOfClass | Arihant-class submarine ⓘ |
| flag | India ⓘ |
| homePort |
Vizagapatam
ⓘ
surface form:
Visakhapatnam
|
| hullNumber | S2 ⓘ |
| launchDate | 2009-07-26 ⓘ |
| launchedAt |
Vizagapatam
ⓘ
surface form:
Visakhapatnam
|
| length | approximately 111 meters ⓘ |
| meaningOfName | destroyer of enemies ⓘ |
| missileRange |
K-15 range approximately 750 km
ⓘ
K-4 range approximately 3500 km ⓘ |
| namedAfter | Arihant ⓘ |
| notableFeature | India’s first indigenously built nuclear-powered ballistic missile submarine ⓘ |
| nuclearCapability | can carry nuclear warheads ⓘ |
| operator | Indian Navy ⓘ |
| partOf | Arihant-class submarine ⓘ |
| program | Advanced Technology Vessel project ⓘ |
| propulsion | one nuclear reactor with steam turbines ⓘ |
| propulsionType | nuclear-powered ⓘ |
| reactorPower | approximately 83 MW ⓘ |
| reactorType | pressurized water reactor ⓘ |
| role |
sea-based leg of India’s nuclear triad
ⓘ
strategic nuclear deterrent ⓘ |
| seaTrialsStart | 2013 ⓘ |
| shipType | ballistic missile submarine ⓘ |
| speed | over 20 knots submerged ⓘ |
| status | in active service ⓘ |
| strategicRole | second-strike capability ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: INS Arihant Description of subject: INS Arihant is India’s first indigenously built nuclear-powered ballistic missile submarine, forming a key part of the country’s strategic nuclear deterrent.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.