Indian Saryu class patrol vessel INS Sunayna visits Seychelles.

According to information published by the Indian government on September 26, 2022, INS Sunayna entered Port Victoria Seychelles to participate in the annual training exercise Operation Southern Readiness of Combined Maritime Forces (CMF).
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Saryu class patrol vessel INS Sunayna. (Picture source: Indian Navy)

The ship is scheduled to participate as associate partner in the capacity building exercises being conducted by CMF. The joint training exercise is being attended by representative delegations from USA, Italy, Australia, Canada, New Zealand and ship participation from UK, Spain & India.

INS Sunayna is the second Saryu-class patrol vessel of the Indian Navy, designed and constructed indigenously by the Goa Shipyard Limited. It is designed to undertake fleet support operations, coastal and offshore patrolling, ocean surveillance and monitoring of sea lines of communications and offshore assets and escort duties.

The keel laying of the ship was done on 25 September 2007, it was launched on 14 November 2009, was delivered to the navy for sea trials on 3 September 2013, and got commissioned into active service on 15 October 2013 at Kochi, her home port.

Saryu class was derived from Sankalp-class vessels built for the Indian Coast Guard. The ships were designed by GSL's in-house design team and built at a cost of ₹2,452 crore (equivalent to ₹47 billion or US$590 million in 2020).

The vessels are powered by two Pielstick diesel engines rated at a combined 21,725 metric horsepower (15,979 kW), each driving a Wärtsilä WCP 5C10 controllable-pitch propeller through a reduction gearbox.

The patrol vessels have a length of 105 m (344 ft), a beam of 12.9 m (42 ft), and a draught of 4.9 m (16 ft). They can reach a top speed of 25 knots (46 km/h).

The Saryu class is armed with 76 mm/62 Oto Melara gun and two 30 mm/65 AK-630 Close-In Weapon Station. They have a displacement of 2,230 t (2,190 long tons; 2,460 short tons).