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| System Name | INS Kolkata (D63) |
| Type / Role | Guided-missile destroyer |
| Manufacturer | Mazagon Dock Shipbuilders Limited |
| Country of Origin | India |
| In Service | Yes |
| Year Introduced | 2014 |
| Unit Cost | Not officially established |
| Crew | About 300 |
| Length | 163 m |
| Beam (Width) | 17.4 m |
| Draft | 6.5 m |
| Displacement | About 7,400 tons full load |
| Hull Material | Steel |
| Deck Configuration | Large flight deck with enclosed helicopter hangar |
| Propulsion Type | COGAG |
| Engine Model | 4 × Zorya-Mashproekt DT-59 gas turbines |
| Power Output | About 16.55 MW per turbine |
| Maximum Speed | 30 knots |
| Range | About 6,000 nautical miles at 18 knots |
| Endurance | Not publicly specified |
| Primary Radar | IAI EL/M-2248 MF-STAR |
| Radar Range | About 250 km publicly reported |
| Sonar System | BEL HUMSA-NG, Nagin |
| Electro-Optical / IR System | Public configuration details limited |
| Electronic Warfare Suite | BEL Ellora ESM and countermeasure systems |
| Fire Control Radar | EL/M-2221 STGR reported |
| Main Gun | 76 mm Super Rapid Gun |
| Vertical Launch System (VLS) Cells | 32 |
| Missiles | Barak-8 surface-to-air missiles |
| Anti-Ship Missiles | BrahMos |
| Anti-Submarine Torpedoes | 533 mm torpedo systems reported |
| Close-In Weapon System (CIWS) | AK-630 systems |
| Decoy Systems | Kavach and Maareech systems |
| Helicopter Capability | Sea King or HAL Dhruv |
| Hangar Capacity | Up to 2 helicopters reported |
| UAV Operations | Not publicly specified |
| Flight Deck Size | Not publicly specified |
| Replenishment at Sea | Supported as a fleet destroyer capability |
| Countermeasures | Kavach and Maareech |
| ECM / ECCM | Electronic warfare and countermeasure suite |
| Missile Defense System | Barak-8 |
| Combat Management System | BEL EMCCA Mk4 |
| Communication Systems | Integrated naval communications |
| Service Branch | Indian Navy |
| Primary Operator | Indian Navy |
| Operational History | Active service since 2014 |
| Notable Feature | Lead ship of the Kolkata-class destroyers |
INS Kolkata (D63) is the lead ship of the Indian Navy’s Kolkata-class guided-missile destroyers, developed under Project 15A. Built by Mazagon Dock Shipbuilders Limited (MDL) in Mumbai, the 163-meter warship was commissioned on August 16, 2014. It was designed for air defense, anti-surface warfare, anti-submarine operations and fleet support. MDL describes the Kolkata class as a guided stealth missile destroyer capable of operating across multiple warfare domains.
Mazagon Dock Shipbuilders Limited constructed INS Kolkata for the Indian Navy. The ship incorporates Indian combat-system and sensor technologies alongside foreign-origin propulsion and selected weapons and radar systems. Its sensor suite includes the IAI EL/M-2248 MF-STAR S-band AESA multifunction radar, while its combat system integrates radar, sonar, electronic warfare and weapons data.
The destroyer uses a Combined Gas and Gas (COGAG) propulsion arrangement with four gas turbines and can reach about 30 knots. Public specifications commonly give a range of approximately 6,000 nautical miles at 18 knots. Its principal offensive weapon is the BrahMos supersonic cruise missile, while four eight-cell VLS units provide 32 cells for Barak-8 surface-to-air missiles.
A definitive individual unit price for INS Kolkata Warship is not consistently published in current official sources. An earlier Indian defense analysis reported the three-ship Project 15A program at approximately ₹11,662 crore, but this should not be treated as the exact acquisition price of INS Kolkata alone.
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