Attorney General Dappula de Livera PC has formally asked the Public Service Commission (PSC) to conduct a preliminary investigation into the alleged controversial telephone conversation between Solicitor General Dilrukshi Dias Wickremasinghe PC and Avant Garde floating armoury company Chairman Nissanka Senadhipathi, who is first accused in the Avant Garde case. Senadhipathi is reportedly abroad taking medical treatment and has failed to appear before court.The Co-ordinating Officer to the Attorney General, State Counsel Ms. Nishara Jayaratne told news media that the Attorney General yesterday sent this request to the PSC seeking an Inquirer to be appointed to conduct a preliminary investigation into the incident of the phone call.