Arun Tiwari moved the application before Special Judge Virender Kumar Goyal who sought a reply from the Central Bureau of Investigation (CBI) by September 19 on the plea.
In their applications seeking relief, both have told the court that they were not required for investigation and no purpose will be served by keeping them in custody any further.
Tiwari and Meena are currently in judicial custody along with IB's Assistant Director Kameshwar and another alleged middlemen Rajan Kumar.
The court had sent all the four accused to judicial custody on August 19 after the agency said their further custodial interrogation was not required.
The case was registered on August 9 against them for alleged criminal conspiracy, illegal gratification and commission of offence of abetment by public servant.
"During the course of investigation, the CBI had intercepted the accused persons and recovered the alleged gratification amount of Rs 10 lakh (approx) from the private persons," the agency had claimed, saying it had carried out searches at several premises of the accused in Delhi.
"During the search at the premises of Kumar here, (total) cash amounting to Rs 1.6 crore (approx), certain rubber stamps of various ministries/departments of Government of India and forged letter-heads of various senior government officers and incriminating documents were recovered," it had said.
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