Four others accused in the case appeared in the court in connection with the issuance of charge sheet copies.
CBI had on December 9, 2016, filed a charge sheet against against Dayanidhi Maran and his brother Kalanithi among others, for allegedly using 764 high-speed data lines at the former's residence which were used by Sun TV channel, causing a loss of Rs 1.78 crore to the exchequer.
The high-end telecommunication facilities were illegally under the service category for which bills were not raised for 2004-'07.
The CBI judge then adjourned the matter for June 6.