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INS Aridaman: Third Indigenous Nuclear Submarine

5 December 20251 min read
DEFENCE & SECURITYINS Aridaman:Third IndigenousNuclearSubmarine5 December 2025safalsetu.com

Why in the news

India prepared to induct INS Aridaman, its third home-built nuclear-powered ballistic missile submarine, in a ceremony overseen by the Navy Chief.

Key facts

  • Vessel type: SSBN, part of the Arihant class.
  • Operational control: Strategic Forces Command.
  • Built under the Advanced Technology Vessel (ATV) Project at the Ship Building Centre, Visakhapatnam.
  • Indigenous share: over 90%, covering the nuclear reactor and propulsion.

Milestones of the SSBN programme

SubmarineMilestone
INS ArihantLaunched 2009, commissioned 2016
INS ArighatCommissioned 2024
INS AridamanThird operational SSBN

Significance

  • Backs assured second-strike capability under the no-first-use nuclear doctrine.
  • A three-boat fleet permits a minimum rotation, so one can stay on patrol continuously.
  • With Arihant’s commissioning, India became the 6th country with operational SSBNs.

Exam angle

  • Class name: Arihant; command: Strategic Forces Command.
  • Project: Advanced Technology Vessel, Visakhapatnam.
  • Doctrine link: no first use and second-strike capability.

Test yourself

1. INS Aridaman belongs to which class of submarines?

It is the third SSBN of the Arihant class.

2. Under which project was INS Aridaman built?

It was built under the Advanced Technology Vessel (ATV) Project.

3. Roughly what share of INS Aridaman's components is indigenous?

The notes state more than 90% indigenous content.