INS Shankush (S45)

History
India
Name	INS Shankush
Builder	Howaldtswerke-Deutsche Werft, Kiel, Germany
Launched	11 May 1984
Commissioned	20 November 1986
Status	in active service
General characteristics
Class & type	Shishumar-class submarine
Displacement	1450 tons surfaced; 1850 tons submerged;
Length	64.4 m (211 ft)
Beam	6.5 m (21 ft)
Draught	6 m (20 ft)
Propulsion	4 × 2,400 hp (1,800 kW) diesel-electric motors; 1 × Siemens 4,600 hp (3,400 kW) motor; 4 × 1.8 MW (2,400 hp) Siemens alternators; 1 shaft;
Speed	Surfaced 11 knots (20 km/h); Submerged 22 knots (41 km/h);
Range	Snorting 8,000 nautical miles (15,000 km) at 8 kn (15 km/h)
Test depth	Test depth 260 m (850 ft)
Complement	40 (incl 8 officers)
Armament	14 × AEG-SUT Mod 1 wire-guided active/passive torpedoes; 24 × external strap-on mines;

INS Shankush (S45) (lit. 'Ray of Light') is a Shishumar-class diesel-electric submarine of the Indian Navy.^[1]

Mid Life Upgrade

Indian Navy awarded a contract for mid-life upgrade and certification of Shankush on 30 June 2023, the refit will be carried out by Mazagon Dock, Mumbai with technical cooperation from ThyssenKrupp Marine Systems.^[2]

The refit is planned to be completed by 2026 and the total cost associated is ₹2,725 crore (US$320 million).^[2]