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Mazagon Dock Shipbuilders Limited

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Mazagon Dock Shipbuilders Limited

Nilgiri class

The Indian Navy's Project 17A follow-on to the Shivalik class, featuring further-reduced radar cross-section, an integrated platform management system and greater indigenous content built simultaneously at Mazagon Dock and Garden Reach yards.

In service since 2025 · 1 operator countries

Compiled from public sources ·primary reference ↗ ·last verified 2026-07-02

6,670

t

28

kn

5,500

nmi

32

VLS

226

crew

Pricing: Unit cost not publicly disclosed

Procurement snapshot

Availability & export

National export licensing

Subject to India export-control approval; verify eligibility with the manufacturer.

Channel: Direct commercial / G2G

Fielded & proven

Limited · 1 operator

In service since 2025. Status: active · ~3 built.

Lifecycle cost (est.)

No public unit price to model from.

Interoperability

Mk 41 VLS-class

Derived guidance from public data — export regime by country of origin, lifecycle from the GAO ~30% acquisition rule. Verify eligibility, pricing and offsets with the manufacturer and your acquisition authority.

Full specifications

Firepower

Armament, payload and guidance.

Main armament

Primary weapon: main gun, cannon or missile type.

1× 76 mm Otobreda naval gun
VLS cells

Vertical-launch missile cells on a warship — a proxy for magazine depth. Higher means more missiles before rearming.

32
Stronger than 50% of warships
Torpedo tubes

Number of torpedo tubes (submarines and some surface ships).

6
Stronger than 69% of warships

Physical

Dimensions, weight and crew.

Length

Overall length including gun/probe where applicable.

149 m

Naval

Displacement, speed, endurance and diving depth.

Displacement

Standard displacement in tonnes — the ship’s size class. Larger hulls carry more but cost more and are less agile.

6,670 t
Full-load displacement

Displacement fully loaded with fuel, stores and munitions.

6,670 t
Max speed

Top speed in knots (surfaced, for submarines). Higher aids positioning and screening.

28 kn
Stronger than 43% of warships
Range

Cruising range in nautical miles. Nuclear vessels are effectively unlimited (fuel-wise). Higher means more reach without replenishment.

5,500 nmi
Stronger than 44% of warships
Complement

Crew size. Fewer eases manning cost; more may indicate a larger, more capable platform.

226
Aircraft carried

Embarked aircraft/helicopters. Higher extends the ship’s sensor and strike reach.

2
Stronger than 51% of warships
Propulsion plant

Machinery type — nuclear reactor, gas turbine (COGAG), CODAG, diesel-electric, AIP.

CODOG: gas turbines and diesel engines

Sensors & avionics

Radar, sensor suite and datalinks.

Radar

Primary radar. AESA (active electronically scanned array) is the current state of the art.

MF-STAR multi-function radar

Program

Cost, production scale and operators.

Units built

Total production run. Higher means proven manufacturing, mature logistics and spares availability.

3
Stronger than 41% of warships
Operator countries

Number of countries operating the system. More operators means broader support ecosystem.

1
Stronger than 45% of warships

Specifications compiled from public Mazagon Dock Shipbuilders Limited and reference sources ↗. Published defense figures are approximations — treat comparisons as directional. Last verified 2026-07-02.

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Frequently asked questions

What is the main armament of the Mazagon Dock Shipbuilders Limited Nilgiri class? +

The Mazagon Dock Shipbuilders Limited Nilgiri class's primary weapon is the 1× 76 mm Otobreda naval gun.

What is the Mazagon Dock Shipbuilders Limited Nilgiri class used for? +

The Mazagon Dock Shipbuilders Limited Nilgiri class is a warship typically used for air defense, anti ship.

How many countries operate the Mazagon Dock Shipbuilders Limited Nilgiri class? +

The Mazagon Dock Shipbuilders Limited Nilgiri class is operated by 1 countries.

How much does the Mazagon Dock Shipbuilders Limited Nilgiri class cost? +

Mazagon Dock Shipbuilders Limited Nilgiri class: Unit cost not publicly disclosed. Defense program costs are rarely fully public and vary by contract and configuration.

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