On June 25-30, 2019, Russia is hosting the largest exhibition of military and dual-purpose equipment in the modern "Patriot" Park near Moscow. A meeting with General Gerasimov, Chief of General Staff of the Russian Armed Forces and First Deputy Minister of Defence of the Russian Federation, was also arranged for the Sri Lankan delegation during their visit to Moscow.

Ambassador Jayatilleka was a speaker at the Roundtable discussion on "Enhancing international cooperation to combat spread of terrorist ideology and counter self-radicalization of lone terrorists" moderated by Deputy Secretary of Security Council of the Russian Federation Yury Kokov, at the 10th International meeting of the high-ranking officials responsible for security matters at Ufa organized by the Security Council of the Russian Federation.

On June 17-20, 2019 Sri Lankan delegation headed by Ambassador Dayan Jayatilleka and including Additional Secretary of Defence of Sri Lanka Mr. Anuradha Wijekoon took part in the X International Meeting of High-Level Officials Responsible for Security Matters held in Ufa at the initiative of the Security Council of the Russian Federation.