Bodu Bala Sena General Secretary Galagoda Aththe Gnanasara Thera who has been sentenced to a 06 years imprisonment will undergo a surgery today. 

The surgery will be performed At the Sri Jayawardenapura Teaching Hospital to remove a stone from the monk's kidney. 

Gnanasara Thera was hospitalized for the surgery a day before his verdict was given by the court of appeal. 

Hospital sources said the surgery had to be postponed due to some health conditions currently experienced by the monk.