Today, Ambassador Dr. Dayan Jayatilleka and Madame Sanja Jayatilleka made their first visit to the State Duma, or "the Thought of State", as it translates from Russian, the historic Russian Parliament established at the time of turmoils of 1905-1906, a period now called the First Russian Revolution. The State Duma, re-convoked in the early years of the post-Soviet presidential republic in 1993, is now the lower house of the two-chamber Russian Parliament – and is its only elected chamber.

On December 10, 2018, the Federation Council of the Federal Assembly of the Russian Federation gathered more than 200 representatives of parliaments, diplomatic missions, and international organizations from over 50 countries for the International Conference "The Role of Parliaments in Today's World" on the occasion of the 25th anniversary of the Federation Council and the Constitution of the Russian Federation.

On December 7, Dr. Dayan Jayatilleka, Ambassador of Sri Lanka to the Russian Federation, and Madame Sanja Jayatilleka attended the inaugural screening of the film "The Real Cuba" at the invitation of the Ambassador of Cuba to the Russian Federation, Gerardo Penalver Portal.

2018 වසරේ දෙසැම්බර් මස 2 වන දින සිට 5 වන දා දක්වා රුසියාවේ මොස්කව් හි දී පැවති ජාත්‍යන්තර ස්වේච්ඡා සංසදයට නියෝජිතයින් නව (09) දෙනෙකුගෙන් සමන්විත කණ්ඩායමක් ශ්‍රී ලංකාවෙන් සහභාගී විය.

Nine members of the delegation from Sri Lanka visited Russia to participate at the International Volunteer Forum, which was held on December 2—5, 2018, in Moscow.

On December 5, Ambassador Dr. Dayan Jayatilleka paid a courtesy call on Ambassador of Cuba, Gerardo Penalver Portal, a son of a founder of the Revolutionary Armed Forces of Cuba. Cuban Ambassador served as Director General on bilateral relations, coordinating Europe, Canada, Sub-Saharan Africa, North Africa-Middle East, Asia-Pacific, before he assumed his duties in Moscow.