Additional Civil and Sessions Court Judge and CBI special court judge B M Angadi passed the order after CBI moved an application seeking extension of the custody.
Reddy and Khan, lodged in Bangalore central prison, were produced in court via video-conferencing.
Associated Mining Corporation (AMC) and Deccan Mining Syndicate (DMC) owned by Reddy and wife Aruna Lakshmi have been facing probe over charges of illegal mining.
Meanwhile, hearing on bail pleas of Reddy and Khan were also adjourned to May 10. PTI BH
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