Prime Minister Narendra Modi on Saturday left for home after concluding his three-day visit to Japan, during which the two countries signed a landmark civil nuclear deal and nine other agreements in various areas.
Modi left from the Japanese city of Osaka for New Delhi.
"Sayonara Japan! An important friendship stands strengthened as PM @narendramodi enplanes from Osaka for the journey back to Delhi," External Affairs Ministry spokesperson Vikas Swarup tweeted.
Before his departure, Modi addressed a luncheon gathering of business leaders in Kobe, a city on Osaka Bay.
He also travelled in Japan's famed high-speed Shinkansen bullet train, which is being introduced in India on the Mumbai-Ahmedabad stretch, with his Japanese counterpart Shinzo Abe.
During the visit, India and Japan signed 10 pacts covering a range of areas such as boosting Japanese investment in infrastructure, railways, and for cooperation in space and agriculture, as part of agreements to bolster bilateral ties.