Chennai: The CBI on Monday conducted raids at the premises of former Textiles Minister and DMK leader Dayanidhi Maran here, sources said.

The raids were in progress at his Boat Club residence in connection with the Aircel Maxis deal that landed Maran in trouble, compelling him to quit his post in the Union Cabinet, they said.

The CBI has also asked the telecommunication department to provide them with technical details of the alleged set-up connecting Sun TV office and Maran's residence.

According to the agency sources, 323 residential lines were in the name of BSNL general manager allegedly connecting the Boat House residence of Maran with the office of Sun TV through a dedicated underground cable during Maran's tenure as Telecom Minister.