4.
The answer is: B
Explanation
Australia is set to host the Malabar multilateral naval exercise for the first time this year, which will include participation from India, Australia, Japan, and the U.S. The move marks a significant development in the high-level engagements between the countries. Additionally, Australian Prime Minister, Anthony Albanese, and Foreign Minister, Penny Wong, are expected to visit India in early March, during which major defence initiatives could be announced, according to officials.