Russian Foreign Ministry has informed that foreign citizens who visited Russia on the basis of FIFA World Cup 2018 Fan ID should leave the territory of the Russian Federation before the 31st December 2018, lest they are prosecuted for the breaching of migration laws of the Russian Federation. 

Any Sri Lankan fans, who have not left Russia, are advised to do so before the end of this year.

On December 21, 2018, H. E. Dr. Dayan Jayatilleka met with His Excellency Li Hui, the Ambassador of China to the Russian Federation, at the Chinese embassy in Moscow.

On December 19, 2018 Ambassador Dr. Dayan Jayatilleka and Madame Sanja Jayatilleka went to the Bolshoi Theatre at the invitation of the Ministry of Foreign Affairs, which customarily hosts Ambassadors and their wives for an annual festive seasonal reception at the Bolshoi. This year it was for the ballet performance of Don Quixote.

On 19 December 2018, The Peoples' Friendship University of Russia (RUDN) hosted the traditional Asian Cultural Week, attracting hundreds of Asian students, including those of Sri Lanka, at the University premises.

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.