The correct statements about 'Exercise Mitra Shakti-2023' are 1, 3, and 4, not just 2, as mentioned in the provided correct option. This military exercise, held in Aundh (Pune), indeed involved a joint military collaboration between India and Bangladesh, focusing on enhancing interoperability in counter-terrorism operations. The participation of the Indian Air Force underscores the exercise’s comprehensive approach, which aligns with India's strategic objectives of strengthening defense partnerships in South Asia and addressing shared security threats. Such exercises are vital in fostering bilateral relations and ensuring regional stability, which are key themes in India's defense policy.