KARACHI - A scam of over Rs163 million was detected on Thursday by PSO administration. The scam was detected in Credit Control Department (CCD) where three accused persons have also been found involved while internal inquiry is continuing, a source revealed on condition of anonymity. The source maintained that CCD is the department managed by countrywide billing affairs of PSO and the whole system of billing is computerised and being run on a software known as Solutions Applications and Services. The source said that the accused persons had made embezzlement in the billing system though cyber crime and the estimated loss to PSO is around Rs163 million. The accused were kept in the custody of General Manager Security Col (r) Fazle Abbas who is also interrogating the accused including Deputy General Manager Shaista Soomro, Amir Iqbal and Shoaib Rasool. The source said that GM PSO is now in Islamabad and the accused would be handed over to the Federal Investigation Agency (FIA) for interrogation. When contacted, PSO Public Relations Officer Maryam told The Nation that the scam was detected and investigations were under way but she had no further details.