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.

The reception was held at the residence of the Iranian Head of Mission and was attended by Ambassadors, diplomats, Military Attaches and officials of Russian Ministry of Foreign Affairs, State Authorities and organizations.