In this era of changing geopolitics, oceans have once again come to the centre of the world's power balance and it is India's responsibility to provide leadership with confidence and capability, Defence Minister Rajnath Singh said on Friday, referring to the escalating conflict in West Asia. The unfolding developments in West Asia are "highly unusual" and the situation in the region could adversely impact the global economy, he said addressing an event here. "What is happening in West Asia is highly unusual. It is difficult to make any firm comment at this stage on the direction in which conditions in West Asia might proceed going forward," he said. "If we look at the Strait of Hormuz or the entire Persian Gulf region, it is an extremely important area for the world's energy security. When there is disturbance or disruption in this region, it directly impacts the supply of oil and gas," he said. "Not only that, today we are witnessing supply chain disruptions not just in the energy