INS Chakra (leased to India)
E806647
INS Chakra (leased to India) was a Russian-built Akula-class nuclear-powered attack submarine operated by the Indian Navy under a long-term lease to enhance its underwater warfare capabilities.
All labels observed (2)
| Label | Occurrences |
|---|---|
| INS Chakra | 1 |
| INS Chakra (leased to India) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9551379 — 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 Chakra (leased to India) Context triple: [Akula-class submarine, notableLease, INS Chakra (leased to India)]
-
A.
HAL Tejas
HAL Tejas is a lightweight, multirole, supersonic fighter aircraft developed by India as an indigenous fourth-generation combat jet.
-
B.
DRDO Netra AEW&CS
The DRDO Netra AEW&CS is an Indian indigenously developed airborne early warning and control system mounted on an Embraer ERJ-145 aircraft, designed to provide airspace surveillance, command and control, and battle management capabilities.
-
C.
Sukhoi Su-30MKI
The Sukhoi Su-30MKI is a twin-engine, multirole air superiority fighter aircraft of Russian origin, heavily customized with Indian and Western avionics and systems for service with the Indian Air Force.
-
D.
INS Circars
INS Circars is an Indian Navy shore establishment under the Eastern Naval Command, serving as a key support and administrative base on the east coast of India.
-
E.
Prithvi-II
Prithvi-II is a short-range, surface-to-surface ballistic missile developed by India for tactical military use, capable of carrying conventional or nuclear warheads.
- 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 Chakra (leased to India) Target entity description: INS Chakra (leased to India) was a Russian-built Akula-class nuclear-powered attack submarine operated by the Indian Navy under a long-term lease to enhance its underwater warfare capabilities.
-
A.
HAL Tejas
HAL Tejas is a lightweight, multirole, supersonic fighter aircraft developed by India as an indigenous fourth-generation combat jet.
-
B.
DRDO Netra AEW&CS
The DRDO Netra AEW&CS is an Indian indigenously developed airborne early warning and control system mounted on an Embraer ERJ-145 aircraft, designed to provide airspace surveillance, command and control, and battle management capabilities.
-
C.
Sukhoi Su-30MKI
The Sukhoi Su-30MKI is a twin-engine, multirole air superiority fighter aircraft of Russian origin, heavily customized with Indian and Western avionics and systems for service with the Indian Air Force.
-
D.
INS Circars
INS Circars is an Indian Navy shore establishment under the Eastern Naval Command, serving as a key support and administrative base on the east coast of India.
-
E.
Prithvi-II
Prithvi-II is a short-range, surface-to-surface ballistic missile developed by India for tactical military use, capable of carrying conventional or nuclear warheads.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
Akula-class submarine
ⓘ
Indian Navy submarine ⓘ nuclear-powered attack submarine ⓘ |
| armament |
cruise missiles
ⓘ
torpedoes ⓘ |
| builder |
Sevmash Shipyard
ⓘ
linked to:
Severodvinsk shipyards
|
| class |
Akula-class
ⓘ
linked to:
Akula-class submarine
|
| country | India ⓘ |
| designedBy | Soviet/Russian naval design bureaus ⓘ |
| hasCapability |
anti-submarine warfare
ⓘ
anti-surface warfare ⓘ land-attack missions ⓘ long-endurance patrols ⓘ stealth underwater operations ⓘ |
| hasCrewType | Indian Navy submariners ⓘ |
| hasFeature |
deep diving capability
ⓘ
high underwater speed ⓘ missile launch capability ⓘ sonar suite ⓘ torpedo tubes ⓘ |
| hullType | SSN ⓘ |
| isPartOf | Indian Navy submarine fleet ⓘ |
| leaseArrangement | bilateral defence cooperation between India and Russia ⓘ |
| leasedFrom | Russian Navy ⓘ |
| leasedFromCountry | Russia ⓘ |
| leaseType | long-term lease ⓘ |
| navalForce |
Indian Navy Submarine Arm
ⓘ
linked to:
Indian Navy submarine arm
|
| operator | Indian Navy ⓘ |
| origin | Russia ⓘ |
| powerplant | nuclear reactor ⓘ |
| propulsion | nuclear-powered ⓘ |
| purpose | enhance underwater warfare capabilities of Indian Navy ⓘ |
| role | attack submarine ⓘ |
| serviceBranch | Indian Navy ⓘ |
| strategicImportance |
strengthening India’s nuclear submarine operating experience
ⓘ
training platform for Indian nuclear submarine crews ⓘ |
| subclassOf | attack submarine ⓘ |
| usedFor |
blue-water naval operations
ⓘ
deterrence patrols ⓘ fleet support ⓘ |
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 Chakra (leased to India) Description of subject: INS Chakra (leased to India) was a Russian-built Akula-class nuclear-powered attack submarine operated by the Indian Navy under a long-term lease to enhance its underwater warfare capabilities.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Akula
linked to: INS Chakra (leased to India)