Nearly 40 politicians are under investigation by the Commission to Investigate Allegations of Bribery or Corruption (CIABOC).
Quoting sources at the commission, lankadeepa.lk reports most of them are regional politicians.
In the meantime, the commission is to file fresh cases against powerful politicians and top state officials against whom the cases filed were withdrawn over technical issues.
Think tank Verite Research finds the police to be the most corrupt state institution, followed by parliament and national and regional state administration officials.
Widespread and more destructive fraud and corruption are prevalent among them due to the considerable power and authority they wield.