Floral tributes are to be paid during the event.
Born in September 08, 1962, Mr. Sooriyarachchi was killed in a road accident on Feb 08, 2008. Three others were killed in the accident which was later deemed as suspicious.
Although he was a prominent force in bringing Mahinda Rajapaksa to power in 2005, he defected from the government with Mangala Samaraweera after functioning as a deputy minister for just several months.
They formed the political party SLFP Mahajana Wing soon afterwards and Mr. Sooriyarachchi functioned as the national organiser of the party.