The Indian Navy has asked the Indian Government to approve a change to its submarine building program by replacing six conventional submarines with nuclear-powered attack submarines.


The Indian Navy (IN) has asked its government to amend the current 30-year naval plan by building six nuclear-powered general-purpose attack submarines (SSN’s) instead of some of the planned conventional diesel attack submarines. The new naval plan (which still needs cabinet approval) proposes:
  • 18 conventional diesel attack submarines.
  • 6 SSNs. 
Currently the IN has: 
Strategic Forces Command also has:
SSN’s have some of the following capabilities:
  • Able to stay submerged for months.
  • Surface only for crew change and logistics.
  • Difficult to detect in Indian Ocean equatorial waters due to water temperature differences.
  • A deterrent for both sea access and sea denial.