New Delhi, April 28 : Prime Minister Narendra Modi on Thursday expressed happiness over 70 years of establishment of diplomatic relations between India and Japan. Prime Minister Modi further said that the ties have deepened in every sphere, whether strategic, economic or people-to-people contacts. In a series of tweets, Prime Minister Modi said: "As we celebrate 70 years of establishment of diplomatic relations between India and Japan today, I am happy to see that our ties have deepened in every sphere, whether strategic, economic or people-to-people contacts." "The recent visit of my friend PM Kishida @kishida230 to India for the Annual Summit laid out a roadmap for deepening our Special Strategic and Global Partnership in a post-COVID world. I look forward to continue working with PM Kishida to realize that objective," he added. /IANS