Headphones, MP3 players, cigarettes and tobacco packets were also seized from other cells.
An official said a mobile phone was found from cell no.14 where Tejpal and four other inmates are lodged.
Tejpal, however, told the officers that the phone does not belong to him.
Inspector General Prisons Mihir Vardhan confirmed the raid.
He, however, told IANS he has not got hold of the exact details.
Tejpal has been in judicial custody for nearly two months on charges of raping a junior colleague.