The Enforcement Directorate (ED) on Thursday raided and searched the premises of one of its own former Deputy Directors and others in connection with a money laundering probe in an alleged Rs 600 crore ponzi scam case. ED officials said that the houses of its former Deputy Director Gurnam Singh, advocate Puneet Sharma and another person in Chandigarh and Mohali were raided since the morning under the provisions of the Prevention of the Money Laundering Act (PMLA). Singh has been the investigating officer of the ponzi case and was relieved from the Enforcement Directorate (ED) in January last year. Officials claimed that Singh, the ex-Deputy Director of the ED's Chandigarh zone, had allegedly taken the bribes of Rs 4 crore- Rs 6 crore in purported connivance with Sharma. The raids were launched launched to gather more evidence in this context, they said. ED Director Karnal Singh had issued stern directives that instances of corruption in the organisation would not be tolerated.