Answer: Australia
Notes: Indian Naval Ship (INS) Sahyadri took part in the bilateral maritime exercise AUSINDEX 2025 in the Northern Pacific. AUSINDEX is held between India and Australia and has been conducted biennially since 2015. Aim of the exercise is to boost interoperability and strengthen the strategic partnership between both maritime nations. Warships and aircraft of both navies carried out joint operations including anti-submarine warfare, gunnery drills, and advanced flying operations. INS Sahyadri participated from India and HMAS Ballarat participated from Australia.
