- It is a class of submarines based on Scorpene class submarines
- It is a class of diesel-electric attack submarine
- They are being built under technology transfer agreement with France
- They are being built under P75 (Project 75)
- The project was necessitated by the dwindling number of submarines in the Indian Navy.
- They use guided weapons such as tube-launched anti-ship missiles and torpedoes on enemy submarines from the surface or underwater.
- Besides warfare, they can perform varied functions will include intelligence gathering, mine laying and area surveillance etc.
- 2 Scorpene class submarines already inducted are:
- INS Kalvari
- INS Khanderi