Project 75 Current Affairs

INS Kalavari: India’s first home built submarine handed over to Indian Navy

India’s first ingenuously built INS Kalavari submarine was handed over to Indian Navy by state-owned Mazagon Dock Limited in Mumbai, Maharashtra.

This is Indian Navy’s first new conventional submarine in two decades. Its induction will be landmark milestone in India’s bid to build its underwater warfare capabilities with an eye on China and Pakistan.

Key Facts

INS Kalavari is first of six Scorpion class submarines built in India under Project-75 by Mazagon Docks Limited with technology transfer from France’s DCNS (Direction des Constructions Navales Services), a naval shipbuilder.

It is diesel electric attack submarine named after tiger shark. It is stealth submarine difficult to be detected by the enemy and is designed to operate in all theatres including the tropics. It weighs 1,550 tonnes and is equipped with six 533-millimeter torpedo tubes for launching anti-ship torpedoes, anti-ship missiles, and sea mines.

It can undertake various operations including multifarious warfare, Anti-submarine warfare, Intelligence gathering, mine laying, area surveillance etc. It can launch attack on the enemy using precision guided weapons and attack can be launched from underwater or on surface. It can launch attack on the enemy using precision guided weapons and attack can be launched from underwater or on surface.

Background

France’s DCNS was awarded $4.16 billion contract to build six next generation Scorpion class submarines in cooperation with Mazagon Docks Limited in 2005 under the strategic Project-75. All six submarines will be fitted with indigenous Air Independent Propulsion System (AIP) technology developed by Defence Research and Development Organisation (DRDO) to extend their endurance.  AIP module enables conventional submarines to remain underwater for longer duration, greatly increasing their stealth characteristics. The second Scorpene submarine in the series, INS Khanderi was launched in January 2017 after the ghost of data leak which threatened to derail project in August 2016.

Scorpene data leak

The Scorpene data leak saw 22,400 documents expose secret stealth capabilities of submarines, diving depths, and specifications of torpedo launch systems among other details. A preliminary investigation later revealed the leak took place at the French office of DCNS and not in India.

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Second Scorpene class submarine INS Khanderi launched

INS Khanderi, the second Scorpene class submarine was launched at the Mazagon Dock Shipbuilders Limited (MDL) in Mumbai, Maharashtra.

It is the second of the six submarines being built at MDL in collaboration with France’s DCNS as part of Project 75 of Indian Navy.

About  INS Khanderi

  • It has been named Khanderi, after the Island fort of Maratha ruler Chhatrapati Shivaji which played had vital role in ensuring their supremacy at sea in late 17th century. Khanderi is also name for Tiger Shark.
  • The state-of-the-art features include superior stealth and ability to launch a crippling attack on the enemy using precision guided weapon.
  • The attack from it can be launched with torpedoes, as well as tube-launched anti-ship missiles, whilst on surface or underwater. The stealth features gives it invulnerability, unmatched by many submarines.
  • The submarine is designed to operate in all theatres, including the tropics. All means and communications are provided to ensure interoperability with other components of a Naval task force.
  • It can undertake multifarious types of missions typically undertaken by any modern submarine such as anti-submarine warfare, anti-surface warfare, intelligence gathering, area surveillance, mine laying etc.
Background

Under Project 75, six Scorpene submarines are being built with assistance and technology transfer from DCNS of France under deal signed in October 2005. The first of the series INS Kalvari is completing sea trials and will be commissioned shortly. The other four submarines are expected to be launched at nine-month intervals after the INS Khanderi. At Present, the Indian Navy operates only 13 conventionally powered submarines and two nuclear submarines.

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