Created by SheldonCruce
Last edited May 6, 2026


Template:Infobox ship INS Sagardhwani (A74) (Hindi : सागरध्वनि - Voice of the Sea) is a marine acoustic research ship (MARS) owned by the Naval Physical and Oceanographic Laboratory (NPOL), a Defence Research and Development Organisation (DRDO) laboratory, and is maintained and operated by the Indian Navy, and based at Southern Naval Command, Kochi.[1]

INS Sagardhwani in Kochi on the occasion of Navy Day in 2020

The ship was desingned by DRODO's Naval Physical and Oceanographic Laboratory ,Kochi,built by Garden Reach Shipbuilders & Engineers, Kolkata,[1] launched in May 1991,[2] and commissioned in 1994.[1] It is similar in design to the Sandhayak-class survey ships, but with the superstructure positioned amidships and the helipad built forward.[2] The vessel is designed to facilitate low noise and low vibration while carrying out acoustic programmes. It has floating floors for scientific laboratories, anti-vibration mountings for machinery and equipment, balloon launching container and wind weather radar to carry out those experiments. It is also equipped with VHF sets, marine radio and auto telephone exchange.[3][4]It is operated in conjunction with DRDO.[5][6]

Internally, the ship has eight laboratories for various scientific disciplines, and a mini-operating theatre with medical staff. At the stern is handling equipment for mooring and retrieving oceanographic and acoustic buoys. It can accommodate up to 82 persons, including 16 scientists, and a crew of 8 officers and 58 sailors.

See also[edit | edit source]

References[edit | edit source]

  1. 1.0 1.1 1.2 "INS Sagardhwani". Naval Research Board. 2010. Archived from the original on 22 December 2011. Retrieved 21 January 2012.
  2. 2.0 2.1 Cite error: Invalid <ref> tag; no text was provided for refs named rakshak
  3. "INS Sagardhwani: DRDO's pet and Navy's pride". The Times of India. 5 September 2003.
  4. Anantha, Krishnan M. (5 September 2003). "INS Sagardhwani: DRDO's pet and Navy's pride". The Times of India. Archived from the original on 10 November 2013. Retrieved 21 January 2012.
  5. Press Release:Press Information Bureau
  6. Service, Express News (18 January 2026). "INS Sagardhwani sets off on Sagar Maithri mission". The New Indian Express. Retrieved 18 January 2026.

External links[edit | edit source]