A bench of Chief Justice G Rohini and Justice Jayant Nath said the relief sought by the petitioner amounts to staying the proceedings before the Chief Metropolitan Magistrate (CMM) which cannot be granted.
It also said there was no public interest in the matter and dismissed the plea moved by the spokesperson of Karnataka Pradesh Congress Committee A Alam Pasha.
The petitioner had also sought that the SFIO after carrying out the probe should give a report to the high court.
He was of the view that SFIO's probe would be of "invaluable assistance" to the CMM as well.
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He has said the matter can be probed by SFIO before whom both sides can put forth their stand.
Swamy has accused them of allegedly conspiring to cheat and misappropriate funds by just paying Rs 50 lakh by which YI obtained the right to recover Rs 90.25 crore which Associated Journals Ltd (AJL), publisher of National Herald, owed to the Congress party.
All the accused have denied the allegations levelled against them by Swamy.
The trial court had on December 19 last year granted bail. To Sonia Gandhi, Rahul, Vora, Fernandes and Dubey, who had appeared before it in pursuance to the summons issued earlier. Pitroda, another accused, was granted bail later.