On February 26, 2019 Ambassador Extraordinary and Plenipotentiary of the Democratic Socialist Republic of Sri Lanka to the Russian Federation H. E. Dr. Dayan Jayatilleka and Madame Sanja Jayatilleka met with the Rector's staff of the Russian Foreign Ministry Diplomatic Academy. Founded in 1934 by Stalin's Foreign Minister Maxim Litvinov, the Academy is the oldest diplomatic educational institution in the world.

On February 21, 2019 H. E. Dr. Dayan Jayatilleka, Ambassador of the Democratic Socialist Republic of Sri Lanka to the Russian Federation, and Madame Sanja Jayatilleka paid a call on Senator Alexey Pushkov, a prominent Russian politician with PhD in History, Professor at the Moscow State Institute of International Relations and the lead author of the information and analytical program Postscriptum, for which he received a Golden Feather pen Award from the Russian Union of journalists. Senator A. Pushkov was decorated with the Order of Honour for the major contribution to the development of the national television.

On February 11, 2019 H. E. Dr. Dayan Jayatilleka, Ambassador Extraordinary and Plenipotentiary of the Democratic Socialist Republic of Sri Lanka to the Russian Federation, attended celebration of the National Day of the Islamic Republic of Iran at the invitation of Ambassador Extraordinary and Plenipotentiary of Iran H.E. Dr. Mehdi Sanaei, Ph.D. in political science, a well-known political author, the founder of Russian Studies Department in the Faculty of World Studies, University of Tehran and a member of Russian Academy of Sciences (RAS), who previously served as deputy to Foreign Policy Committee in the National Security and Foreign Policy Commission (NSFPC), the Parliament representative in Caspian Sea Affairs and chair of Iran's Parliamentary Friendship Group (PFG) with Ukraine and Russia.