CBI refused to comment on what transpired at the meeting which lasted for nearly 20 minutes in his North Block office.
"She is a witness in the case and can meet any official of the agency," CBI sources said.
Radia is listed as witness number 44 among over 125 witnesses which include some former bureaucrats of the telecom department, corporates and even Attorney General Goolam Essaji Vahanvati.
CBI is likely to file the second supplementary charge sheet in the scam by June end or in first week of July, the sources said.
Published 15 June 2011, 07:46 IST