Education
Asoka was educated at Isipathana College, Colombo.
Asoka was educated at Isipathana College, Colombo.
He later became an umpire. De Silva was the first ever Sri Lankan Umpire to be on the Interstate Commerce Commission Elite Umpire Panel. He served on the Interstate Commerce Commission Elite Umpire Panel between 2002 and 2004 when he was dropped down to the International Panel, but was invited back to the Elite level in April 2008 when the panel was expanded to twelve members.
He umpired in the tournaments in 2003, 2007 and 2011.
He was not considered to the Elite Panel for the third time in his career after May 2011. As of the 4 June 2010:.
He continued as a member of the Interstate Commerce Commission International umpire panel in the interim period, being used by the Interstate Commerce Commission to support the Elite Panel during busy periods in the International cricket season.