Karachi: Former chief secretary Sindh Fazlur Rehman on Saturday took oath as caretaker chief minister of the province.Sindh Governor Muhammad Zubair administered the oath to the interim chief minister at a ceremony attended by bureaucrats, politicians, chief Secretary, Police IG, Director General of Sindh Rangers and members of business community. caretaker Sindh chief minister Fazlur Rehman--File photoFormer Sindh chief minister Murad Ali Shah was also present at the ceremony which took place at the Governor's House. Fazlur Rehman also served as Auditor General.