India’s first Scorpene class submarine INS Kalvari undergoes first sea trial

INS Kalvari, Indian Navy’s first indigenous Scorpene-class stealth submarine, has recently launched for the first sea trial in the Mumbai naval dockyard.
It is a diesel-electric attack submarine which is built under the strategic Project 75 by Mazagon Dock Limited (MDL) in collaboration with French naval defence and energy company DCNS.
Key facts

  • INS Kalvari is also known as Tiger Shark (or S50). It is expected to be commissioned into Indian Navy by September 2016.
  • It has superior stealth capability and is designed to operate in all theatres including the tropics.
  • It is built using special steel that can withstand high yield stress that can withstand high hydrostatic force and enabling to dive deeper.
  • Operations capability: It can undertake various operations including multifarious warfare, Anti-submarine warfare, Intelligence gathering, mine laying, area surveillance etc.
  • Attack Ability: It can launch attack on the enemy using precision guided weapons and attack can be launched from underwater or on surface.
  • Weapons: It is equipped with Weapons Launching tubes (WLT) that can carry weapons on board and can be easily reloaded at sea.



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