The raid was conducted at the residence of dentist Gunaseelan Rajan in Gandhi Nagar locality, CBI said.
The raid came in the wake of the January 7 arrest of DCI member Dr S Murukesan in the city for allegedly demanding Rs one crore as bribe and accepting Rs 25 lakh as advance.
Besides Murukesan, three functionaries of Melmaruvathur- based Adhiparasakthi Dental College and Hospital were also arrested from his dental clinic here for allegedly offering the illegal gratification.
CBI had also conducted searches at various premises of Murukesan and the college Managing Director.
