Additional Sessions Judge Sidharth Sharma directed the agency to file its reply by November 29 when it will hear the matter.
In his application, the accused, who is currently in the judicial custody, sought the relief saying he was not required for further investigation and no purpose will be served by keeping him in custody.
Dhawan, arrested on November 1, was sent to custody on November 15 by the court after Rana had said he was not needed for further custodial interrogation.
"Rs 1.5 crore was received by the accused from SBL group. Prior to that, the amount of bank loans was rotated in various group companies of SBL group," according to the agency.
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The lower court had on November 14 issued non-bailable warrants against two other persons -- SBL directors Nitin and Chetan Sandesara. The agency told the court that Chetan may have left the country.
The firm and Dhawan were also being probed by the ED for allegedly bribing senior Income Tax department officials in an earlier criminal complaint.
The CBI had recently booked Sterling Biotech, its directors Chetan Jayantilal Sandesara, Dipti Chetan Sandesara, Rajbhushan Omprakash Dixit, Nitin Jayantilal Sandesara and Vilas Joshi, chartered accountant Hemant Hathi, former director Andhra Bank Anup Garg and some unidentified persons in connection with the alleged bank fraud case.
It had alleged that the company had taken loans of over Rs 5,000 crore from a consortium led by Andhra Bank which had turned into non-performing assets.