Former Telecom Minister A Raja was today remanded to two more days of CBI custody by a Delhi court for further interrogation. Special Judge O P Saini, however, sent former Telecom Secretary Siddartha Behura and Raja's former Personal Secretary R K Chandolia to Tihar Jail under judicial custody as the agency said it no longer needs them in its custody.The trio were arrested by the agency on 2nd of this month for their alleged role in the 2G spectrum allocation scam, involving a loss of 22,000 crore rupees. They were produced before the Special Judge following expiry of their five-day custody with the CBI.