Explanation:

INS Kavaratti, indigenously designed & built ASW Corvette, arrived at Batam, Indonesia to participate in the 4th edition of India-Indonesia Bilateral exercise Samudra Shakti-23 from 14-19 May 23

• Exercise Samudra Shakti is aimed at enhancing interoperability, jointness and mutual cooperation between both the navies.

• The Harbour phase will comprise Cross deck visits, professional Interactions, Subject Matter Expert Exchanges, and sports fixtures.

• During the Sea Phase, weapon firing, Helicopter Operations, Anti-submarine warfare & air defence exercises and boarding operations are planned.

• Samudra Shakti -23 will showcase the high level of interoperability between the two navies and their shared commitment towards peace and stability in the region.

• The Indonesian Navy will be represented by KRI Sultan Iskandar Muda, CN 235 Maritime Patrol Aircraft and AS565 Panther Helicopter.

Hence option 3rd is correct.