INS Surat, INS Nilgiri, and INS Vagsheer

Jan. 2, 2025

In a significant boost to its maritime defence capabilities, the Indian Navy will commission three major platforms next month: the guided-missile destroyer INS Surat, the stealth frigate INS Nilgiri, and the diesel-electric submarine INS Vagsheer.

About INS Surat:

  • It is a stealth destroyer, the fourth and last of the Project-15B or Vishakhapatnam Class.
  • It is designed in-house by the Indian Navy’s Warship Design Bureau and is being constructed by Mazagaon Dock Limited (MDL).
  • It has an indigenous content of 72%.
  • Features:
  • It is the Indian Navy’s first AI-enabled warship to enhance its operational efficiency manifold times.
  • It will have a displacement of 7,400 tons and a length of 163 meters and can rip through at a top speed of nearly 60 km/h.
  • The ship has a maximum range of 15,000 km
  • It is armed with supersonic surface-to-surface BrahMos missiles and 'Barak-8 medium-range surface-to-air missiles.
  • The destroyer is fitted with indigenously developed anti-submarine weapons and sensors, prominently the hull-mounted Sonar Humsa NG, heavy-weight torpedo tube launchers, and ASW rocket launchers.

About INS Nilgiri:

  • It is the first of the seven multi-role frigates being constructed under the Project-17A, four at the MDL and three at GRSE in Kolkata, at an overall cost of around Rs 45,000 crore.
  • These ships have been designed indigenously by the Indian Navy's Directorate of Naval Design, New Delhi.
  • Constructed at MDL, this 6,670-tonne vessel is equipped with cutting-edge weapons and sensors to address threats from enemy submarines, ships, and aircraft.
  • The ship has state-of-the-art stealth features, achieved through the shaping of the hull and radar-transparent deck fittings, which make ships difficult to detect.
  • It is mounted with guns for close-in defence capability and effective naval gunfire.
  • Nilgiri is enabled to operate independently without supporting vessels and to function as the flagship of the Naval task force.

 About INS Vagsheer:

  • INS Vagsheer (S26) is thesixth and final submarine of the first batch of six Kalvari-class submarines built for the Indian Navy.
  • It is named after the sand fish, a deadly deep-sea predator of the Indian Ocean. 
  • It is designed by French naval defence and energy group Naval Group and manufactured by MDL.
  • It is designed to operate in all theatres of operation, showcasing interoperability with other components of a Naval Task Force.

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