The agency told this to Special CBI Judge Anju Bajaj Chandna who extended the police custody of Singh, a 1984-batch IAS officer of AGMUT cadre, and his personal assistant Ramesh by seven days.
Both the accused were produced in the court after expiry of their one-day CBI custody during which the agency claimed to have recovered gold worth over Rs 80 lakh from one of the bank lockers of Singh besides fixed deposit receipts of crores of rupees.
Seeking 13-day police custody of both the accused, he said that custodial interrogation of the accused was required to know the source of money and gold recovered and as they are yet to examine four other bank lockers of Singh.
"They are part of proceeds of crime committed by the accused," the prosecutor said, adding that till now the probe has shown that there are six properties in the name of Singh and his family members.
More From This Section
During the hearing, Singh's counsel opposed CBI's plea for extension of police custody saying investigation has been completed and the agency has already recovered whatever they wanted to and custodial interrogation of the accused was not required.
(Reopen LGD18)
During the hearing, the court asked the counsel of Singh, who was holding the post of Principal Secretary in Department of SC, ST and Minorities, if he had disclosed his assets in his office.
This claim, however, did not go down well with the judge who said that why he would not disclose the assets when even high court judges have to reveal their wealth.
"If the rule of disclosing assets does not apply to you (IAS), it means that you can acquire as many assets as you want," the judge said.
The judge, after hearing the arguments, said "I have examined the case diary and documents annexed with the application for extension of police custody. On the face of the application and recoveries made and considering that fresh facts have come before the court and the material collected, a thorough investigation is required in the case".
Both the accused were arrested on December 8, produced in the court yesterday and remanded to one-day CBI custody.
The investigating officer had earlier told the court that the accused had demanded a bribe of Rs 2.2 lakh from the complainant and Singh had instructed that the money be delivered to his PA. CBI has alleged that out of Rs 2.2 lakh, Singh's PA pocketed Rs 20,000.
According to CBI, Singh had allegedly demanded a bribe of Rs 2.2 lakh from the owner of a firm that supplies security guards and other manpower for clearing pending bills.