On 3rd April 2019, Ambassador Jayatilleka paid his second visit to the Federation Council, Upper Chamber of the Russian Parliament, to meet with Senator Dr. Andrey A. Klimov, Deputy Chair of the Federation Council Committee for Foreign Affairs, and Chair of United Russia party's International Relations Commission which is part of the United Russia General Council Presidium, the party's supreme governing body. Senator Klimov has been the Chair of the Federation Council Commission on State Sovereignty since its foundation in 2017, when Russia established this key legislative instrument for the first time in its modern history.

On April 1, 2019 Ambassador of Sri Lanka to the Russian Federation H.E. Dr. Dayan Jayatilleka and Madame Sanja Jayatilleka visited the headquarters of Russia Today (RT), Russia's first round-the-clock, English-language, international TV news channel, expanded to a global, 24/7 news network with seven TV channels broadcasting in six languages. The guests were received by Margarita Simonyan, Editor-in-Chief of RT and concurrently of the state-owned international news agency Rossiya Segodnya that broadcasts in more than 30 languages.

On March 29, 2019 Ambassador of Sri Lanka to the Russian Federation H.E. Dr. Dayan Jayatilleka had a bilateral meeting with his Italian counterpart H.E. Pasquale Terracciano, a veteran diplomat, who served as Diplomatic Adviser to the Italian Prime Minister and Prime Minister's G8 and G20 Sherpa Representative, Chief of Cabinet to the Minister of Foreign Affairs, Head of Information and Press Office and Spokesman for the Minister of Foreign Affairs as well as Ambassador Extraordinary and Plenipotentiary to Spain and Great Britain before he assumed his duties as Head of Diplomatic Mission in Moscow.

On March 27, 2019, five Sri Lankan students of the Russian People's Friendship University (RUDN) were awarded appreciation certificates for their active assistance and participation in the University's common activities, during a meeting organized for Asian Diplomatic missions' representatives in Moscow, after RUDN announced the admission of foreign nationals for the academic year of 2019/2020.

On March 26, 2019 Ambassador of Sri Lanka to the Russian Federation H.E. Dr. Dayan Jayatilleka and Madame Sanja Jayatilleka met Dr. Timofey Bordachev, Director of the Centre for Comprehensive European and International Studies (CCEIS), Programme Academic Supervisor at the Council for Foreign and Defence Policy and Head of the Eurasian programme at Valdai Discussion Club Foundation. Dr. Bordachev is Associate Professor at the Faculty of World Economy and International Affairs, National Research University-Higher School of Economics (HSE), where he teaches the Theory of International Relations.

On March 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 attended the celebration of the 49th Independence and National Day of the People's Republic of Bangladesh at the invitation of the Ambassador H.E. Dr. S. M. Saiful Hoque and his spouse Dr. Gopa Chokroborty. The reception was held at the Bangladesh House.