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".

On December 12th, the Russian Foreign Ministry organized for a large group of high ranking diplomats a remarkable visit to and a tour of Skolkovo, the fast growing ecosystem of high-end technology solutions.

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.

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.