The court had earlier issued notice to all the accused seeking their replies on CBI's application after the agency had placed some additional information before the court.
It had said it would hear the submissions of the accused before deciding on the CBI plea.
In its plea, CBI said these persons were required to be examined as witnesses as some new facts have emerged in the investigation conducted by ED which had filed a separate charge sheet against 19 accused in a 2G scam-related money laundering case.
Besides Raja and Kanimozhi, former Telecom Secretary Sidharth Behura, Raja's erstwhile private secretary R K Chandolia, Swan Telecom promoters Shahid Usman Balwa and Vinod Goenka, Unitech Ltd MD Sanjay Chandra, Reliance ADAG executives Gautam Doshi, Surendra Pipara and Hari Nair are facing trial in the case.
Bollywood producer Karim Morani, Kalaignar TV Managing Director Sharad Kumar and Directors of Kusegaon Fruits and Vegetables Pvt Ltd Asif Balwa and Rajiv Agarwal, are also facing trial.
Besides them, three telecom firms — Swan Telecom Pvt Ltd, Reliance Telecom Ltd and Unitech Wireless (Tamil Nadu) Pvt Ltd — are also accused in the case.
The court had on October 22, 2011, framed charges against them under various provisions of IPC and the Prevention of Corruption Act dealing with offences of criminal conspiracy, cheating, forgery, faking documents, criminal misconduct by public servant, taking bribe and abusing official position
