Recently, the 5th Kalvari class submarine INS Vagir under Project-75
was delivered to the Indian Navy for Induction.
About Project-75
Aimed at indigenous construction of 6 Kalvari (or Scorpene) class
diesel-electric attack submarines through technology transfer from Naval
Group of France.
The submarines are being constructed at Mazagon Dock Shipbuilders
Limited (MDL) Mumbai.
4 Submarines- INS Kalvari, Khanderi , Karanj and Vela have already
been commissioned.
The 6th Submarine INS Vagsheer is undergoing sea trials since
April 2022.
Submarine Classification
Diesel-Electric Submarines (SSK)
Uses electric motors and diesel engines which require air and fuel.
Need to resurface more frequently.
Vulnerable to detection.
Shishumar, Kilo & Kalvari Class Submarines.
Nuclear-Powered Attack Submarine (SSN)
Can operate under water almost indefinitely.
Limited by food supplies for the crew.
Equipped with torpedoes, anti-ship cruise missiles etc.
