INS Sindhudhvaj (S56) explained

INS Sindhudhvaj (S56) was a of the Indian Navy^[1] in service from 1987 until 16 July 2022, when she was decommissioned.^[2]

The name Sindhudhvaj means "flag bearer at sea". The submarine's crest depicts a grey nurse shark. Sindhudhvaj was the submarine to operationalise several indigenously built systems including the USHUS sonar, the Rukmani and MSS satellite communication systems, the inertial navigation system and the torpedo fire control system.^[3]

The submarine also completed a successful mating and personnel transfer with a deep-submergence rescue vehicle. It was the only submarine to be awarded the Chief of the Naval Staff's Rolling Trophy for Innovation by Prime Minister Narendra Modi.

As of July 2024, the submarine, weighing 2000 tonnes, is under the process of being dismantled at Steel Industrials Kerala Limited (SILK) at Azhikkal in Kannur by 40 workers. The process will take 6 months to complete.^{[4] [5]}

Notes and References

1. Web site: Submarines of Indian Navy . 5 August 2009 . dead . https://web.archive.org/web/20090619071559/http://indiannavy.nic.in/sub_sindhughosh.htm . 19 June 2009 .
2. Web site: INS Sindhudhvaj Decommissioned After 35 Years of Glorious Service to the Nation. Press Information Bureau of India. 17 July 2022. 17 July 2022.
3. Web site: 2022-07-17 . INS Sindhudhvaj Decommissioned after 35 Years of Glorious Service to The Nation . 2022-12-19 . Indian Navy.
4. Web site: Service . Express News . 2024-07-07 . Kerala: Dismantling of INS Sindhudhvaj begins at SILK’s Azhikkal facility . 2024-07-18 . The New Indian Express . en.
5. Web site: 40 labourers to dismantle INS Sindhudhvaj weighing 2,000 tons in 6 months in Kannur . 2024-07-18 . www.onmanorama.com.