Special Judge Anuradha Shukla Bhardwaj granted relief to the accused, saying she was not the main accused.
Yasmeen Kapoor is accused in a money laundering case pertaining to negotiations that allegedly favoured foreign private airlines and allegedly caused loss to state-owned Air India.
Lobbyist Deepak Talwar bribed public servants to help foreign airlines; over 50 firms under scanner: Report
Talwar paid bribes to bureaucrats and politicians to secure 'favourable' air traffic rights for his foreign clients and received over Rs 272 crore funds from these airlines.
Aviation Scam case relates to the negotiations that allegedly favoured foreign private airlines and caused loss to the state-owned Air India.
The ED had taken Yasmin Kapoor into custody on October 3 after she was produced before the court.
The ED sought custodial interrogation of Kapoor, and Special Judge Anuradha Shukla Bhardwaj allowed it until October 9.
The attachment order, issued by the Enforcement Directorate (ED) on March 28, has been confirmed by the Adjudicating Authority of the PMLA on September 19, the agency said in a statement.
The agency, in its charge sheet filed against Talwar has alleged that he had "conspired and lobbied with his aides" to facilitate "bilateral arrangements in favour of foreign airlines".
The agency had on July 26 taken Talwar into custody inside the courtroom, moments after the judge dismissed his anticipatory bail application.
The case relates to alleged misappropriation of Rs 90 crore received by Advantage India through foreign funding.
The arrests were made late Wednesday evening after Yasmin Kapoor, a close aide of Talwar, was taken into custody by the agency,