CBI court judge B M Angadi extended the judicial custody of the accused till December 31.
Reddy and his close aide Mehfuz Ali Khan were produced before the court through video conferencing from Chanchalguda jail in Hyderabad where they have been lodged in connection with the Obulapuram Mining Company case (OMC) case.
However, the other three were produced through video conferencing from Parappana Agrahara jail here.
The bail pleas of all the five accused was rejected by the CBI court earlier.
Reddy subsequently moved the High Court for bail and his plea was also rejected.
The bail pleas of Khan, the then Deputy Conservator of Forests, Bellary district, S Muthaiah and the then Director Mines and Geology S P Raju have already been rejected by the High Court.