External Affairs Minister Pranab Mukherjee on Saturday concluded his visit to Japan during which he sought Tokyo's support for the Indo-US civilian nuclear deal. He also initiated steps to add depth to India-Japan strategic and global partnership, including in the areas of defence and security cooperation. During his first official visit to Japan as the External Affairs Minister, Mukherjee called on Prime Minister Shinzo Abe and held talks with his counterpart Taro Aso, launching the first Ministerial-level Strategic Dialogue between the two nations.