Hyderabad: The ED and IT officials are conducting raids at the offices of Telangana Minister Gayatri Ravi as a part of a money laundering investigation related to an alleged granite scam. According to the sources, the ED and IT officials are conducting searches at MP Gayatri Ravi's office in Srinagar Colony in Hyderabad and Karimnagar offices for the last 11 hours. It is said that Ravi mentioned in his election affidavit about Gayatri company properties. Earlier, on Tuesday ED and IT officials conducted raids at several places in Hyderabad and Karimnagar in a granite scam. The officials searched the residence of Minister Gangula Kamalakar and seized important documents and a hard disk.