TOI, quoting officials, said a blue-colored Android mobile phone, a pen drive, a charger and a diary were recovered from Revanna. Another inmate, Prathap Rai, was also found possessing a phone. DGP Kumar said the concerned assistant superintendent has been placed under suspension on the report of DIG South, and a show cause notice has been issued to SP Bangalore Central Prison. "A detailed inquiry is being conducted...No other contraband item was found during their 4-5 hours search," he added.