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Project 15B

  • Project 15B is a class of stealth guided missile destroyers currently under construction for the Indian Navy.
  • It is also known as the Visakhapatnam class.

The class comprises four ships

  • INS Visakhapatnam
  • INS Mormugao
  • INS Imphal
  • INS Porbandar
  • All of the destroyers are being built by the Mazagon Dock Limited (MDL) in Mumbai.
  • These ships have been designed indigenously by the Indian Navy’s Directorate of Naval Design, New Delhi.
  • The destroyers are an improved version of the Kolkata-class (Project 15A) and will feature enhanced stealth characteristics.


  • The P15B destroyers incorporate new design concepts for improved survivability, sea keeping, stealth and manoeuvrability.
  • Enhanced stealth features and use of radar transparent deck fittings which make these ships difficult to detect.
  • P15B ships will be equipped to carry and operate two multiple role helicopters.
December 2023