Kolkata, Sep 6 (Reporter) The ED on Friday searched at least 10 properties, including houses of arrested former principal of R G Kar Medical College and Hospital Sandip Ghosh, his relatives and his official aides, in connection with alleged financial irregularities in the Kolkata-based government institution where a woman doctor was allegedly murdered last month. The Enforcement Directorate’s (ED) search operation, in Kolkata and neighbouring West Bengal districts, started early in the morning at four locations, including Ghosh's house at Beliaghata in east Kolkata and medical supplies vendor Biplab Singha's home at Salkia in Howrah. Both of them are now in the custody of the Central Bureau of Investigation (CBI) along with two others - Suman Hazra, a vendor, and Ghosh's bouncer-cum-private security man Akshar Ali Khan. The ED officials also searched Singha’s house in Sankrail, Howrah, and the house of his associate Kaushik Koley, who lives nearby, sources added. The probe agency also searched the flat of Ghosh's sister-in-law Arpita Bera near Dum Dum airport's Milan Pally and her family’s rented flats, sources said. Aprita Bera is a doctor at the Employees' State Insurance Corporation (ESIC) in Maniktala in Kolkata and her husband Pritin Bera is a medical practitioner at the Seth Sukhlal Karnani Memorial Hospital, sources said. The ED also raided the house of Prasun Chatterjee, a former private secretary to Ghosh. Official sources said Chatterjee was picked up from his Subashgram house in North 24 Parganas and, after a seven-hour interrogation, taken to Canning South in South 24 Parganas where Ghosh has a bungalow spread over two bighas. Sources said Chatterjee was seen at the crime scene in the RG Kar Medical College and Hospital where a 31-year-old lady doctor was allegedly murdered on August 9. Earlier, Chatterjee used to work as a data entry operator at the Calcutta National Medical College and Hospital. The ED is probing the money trail in the alleged financial scam in R G Kar Hospital after the Central Bureau of Investigation was asked by the Calcutta High Court to investigate the issue in view of a petition filed by former hospital superintendent Akhtar Ali. The ED has filed an Enforcement Case Information Report (ECIR) against Ghosh, on the basis of a First Information Report (FIR) in the criminal cases. On August 23, the High Court ordered the transfer of the investigation into the alleged financial scam at the state-run hospital from a Special Investigation Team (SIT) of police to the CBI. Ghosh was arrested by the anti-corruption unit of CBI on September 2 night and was remanded to eight-day custody of the probe agency on the following day by a special court. The High Court directed the federal agency on August 14 to probe the alleged rape and murder of the doctor, transferring the case from Kolkata Police who had arrested suspect Sanjay Roy, a civic volunteer attached to police. The CBI is yet to arrest anyone in the alleged murder of the medic...////...