Answer : 3. "India and Malaysia"
Explanation :

Solution: Recently the joint bilateral training exercise “Exercise Harimau Shakti 2023” between the Indian and Malaysian armies has officially started at Umroi Cantonment, India. The Malaysian contingent comprises soldiers from the 5th Royal Battalion of the Malaysian Army, while the Indian contingent is represented by a battalion of the Rajput Regiment. The previous edition of this exercise took place in Malaysia in 2022.