Special Judge Poonam Chaudhry issued a production warrant directing the Tihar Jail authorities to produce Dhinakaran, who is in judicial custody.
The court's direction came on Delhi Police Crime Branch's plea seeking to obtain Dhinakaran's consent for voice sample.
The court had yesterday allowed the police to take steps for obtaining his consent.
The police had earlier sought permission to obtain the consent of Dhinakaran and arrested alleged middleman Sukesh Chandrashekar to compare their voices with those contained in a CD recovered during the investigation.
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The court also listed for tomorrow the bail plea of Chandrashekar, who has sought the relief claiming he was made a scapegoat and falsely implicated in the case.
Dhinakaran, his close aide Mallikarjuna, Chandrashekar and suspected hawala operator Nathu Singh, another accused in the case, are lodged in judicial custody till May 29.
Fifth accused, suspected hawala operator Lalit Kumar alias Babu Bhai, was arrested yesterday and is presently under police custody till tomorrow.
Dhinakaran was arrested here on the night of April 25 after four days of questioning for allegedly attempting to bribe unidentified EC officials to get the undivided AIADMK's 'two leaves' election symbol.
The EC had frozen the AIADMK's symbol after two factions of the party -- one led by Dhinakaran's aunt Sasikala and the other by former chief minister O Panneerselvam -- staked a claim to it.
Dhinakaran has been accused of allegedly arranging money from undisclosed sources and getting it transferred from Chennai to Delhi through illegal channels.
Mallikarjuna was arrested for allegedly facilitating the Rs 50 crore deal between Dhinakaran and Chandrashekar, who was arrested on April 16.