New Delhi, Aug 30 (ANI): Indian Prime Minister Narendra Modi on Saturday left for his first major bilateral trip to Japan - a country that in his words offers immense scope for cooperation. Modi travels to Japan for a five-day visit, his first major bilateral trip since taking over in May. Modi and host Prime Minister Shinzo Abe are also expected to boost defence ties, speeding up talks on the sale of an amphibious aircraft to the Indian navy.