Former private secretary of Dayanidhi Maran and two others were remanded to judicial custody till February 4 by the Special Court of CBI.
The CBI had on Wednesday arrested three people, including V Gowthaman, former additional private secretary of Maran, in connection with the alleged allotment of over 300 high-speed telephone lines to the then telecom minister's residence in Chennai.
Besides Gowthaman, the CBI had also arrested chief technical officer S Kannan and electrician LS Ravi of Sun TV Network.
The three were produced before the Principal Special Court of CBI at Madras High Court. Judge Krishnamoorthy order them to be remanded to judicial custody till February 4.
The three were taken to Puzhal jail by the police.