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Submarines2016–present
Ballistic missile submarine
Arihant-class submarine is a ballistic missile submarine. It was built by Ship Building Centre (SBC), Visakhapatnam.
IndiaArihant-class submarine
Mikesonline2013 · CC BY-SA 3.0 · Resized · CC BY-SA 3.0 · Source ↗ · ModifiedArihant
Ship Building Centre (SBC), Visakhapatnam
Indian Navy
S5 class
₹ 40 billion (US$420 million) per submarine
2016–present
4
4
3
Ballistic missile submarine
Arihant & Arighaat : 6,000 t (5,900 long tons; 6,600 short tons) surfaced Aridhaman & Arisudan : 7,000 t (6,900 long tons; 7,700 short tons)
Arihant subclass: 111 m (364 ft) Aridhaman subclass: 130 m (430 ft)
11 m (36 ft)
15 m (49 ft)
1 x CLWR-B1 pressurized water reactor (83 MW-100MW) 1 × shaft
Surfaced: 12–15 kn (22–28 km/h) Submerged: 24 kn (44 km/h)
Unlimited except by food supplies
450 m (1,480 ft)
95
USHUS sonar Panchendriya sonar
6 × 21" (533 mm) torpedo tubes – est 30 charges (torpedoes, cruise missiles or mines) 4 × SLBM tubes for Arihant subclass: 8 × SLBM tubes for Aridhaman subclass: Per SLBM tube: 3 × B-05 : 750–1,500 km (470–930 mi) range, or 1 × K-4 : 3,500 km (2,200 mi) range, or 1 × K-5 : 5,000–6,000 km (3,100–3,700 mi) range (for Aridhaman subclass)
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Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 111 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 111 m | Wikipedia contributors | approved |
Arihant-class submarine equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
IndiaStrategic Forces Command exact named equipment holdings: Arihant. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: SUBMARINES / SSBN. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Navy exact named equipment holdings: Arihant. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: SUBMARINES / SSBN. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Navy exact named class holdings of Arihant. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only, not a national or parent-force total or combat-readiness measure. Source role(s): SUBMARINES / SSBN. No heading aggregate, carried armament, crew, payload, factory production or future order count inherited. The own fetched design source declares this exact class and its PDF operator country; ship capacities and fitted launcher/armament counts are retained as source scope, not added to hull quantities.