On December 18, H.E. Dr. Dayan Jayatilleka, Ambassador of Sri Lanka to the Russian Federation and Madame Sanja Jayatilleka paid a courtesy call on His Grace Celestino Migliore, Archbishop of the Roman Catholic Church who was appointed by Pope Francis as the Apostolic Nuncio to Russia. Celestino Migliore is a Titular Archbishop of Canosa and has spent most of his career in the diplomatic service of the Holy See in the UN (New York) USA, Egypt, France and Poland.

On December 14, H.E. Dr.Dayan Jayatilleka Ambassador Extraordinary and Plenipotentiary of the Democratic Socialist Republic of Sri Lanka to the Russian Federation paid courtesy calls on Ambassador Extraordinary and Plenipotentiary of the Socialist Republic of Vietnam to the Russian Federation, H.E. Ngo Duc Manh, and Ambassador Extraordinary and Plenipotentiary of Mexico, Norma B. Pensado Moreno.

On December 13, Ambassador Dr.Dayan Jayatilleka and Madame Sanja Jayatilleka visited the Exhibition "Nicaragua from the eyes of Russian children", held at Nicaragua Embassy, and were impressed by the drawings of young artists, the way children managed to symbolically express their view on peace, friendship, love, joy, kind-heartedness, and "angel's protection of Nicaraguan people from the demonic threat".