Special CBI Judge O P Saini deferred the proceeding after the court was informed by defence counsel that the witness who was scheduled to appear today for deposition could not come.
Meanwhile, the counsel representing the accused said that another defence witness, a doctor, is likely to appear before the court tomorrow and would testify regarding the health condition of DMK supremo M Karunanidhi's wife Dayalu Ammal, an accused in the case.
Raja, Kanimozhi, Dayalu Ammal, Swan Telecom Pvt Ltd(STPL) promoters Shahid Usman Balwa and Vinod Goenka and 14 others, including nine firms, are facing trial in the case.
Enforcement Directorate (ED) on April 25, last year had filed a chargesheet against the 19 accused for the alleged offences under the Prevention of Money Laundering Act (PMLA).
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The other accused in the money laundering case are Directors of Kusegaon Fruits and Vegetables Pvt Ltd, Asif Balwa and Rajiv Agarwal, Kalaignar TV MD Sharad Kumar, Bollywood producer Karim Morani and P Amirtham. All of them are out on bail.
If convicted of the charges against them, Raja and others will face a maximum sentence of up to seven years.