City senior superintendent of police Saket Kumar Singh said raids were also conducted at Chakla village in the block after it was discovered that the man, under whose name the room at the lodge was booked, hailed from that place.
However, no arrests were made so far in connection with the recovery made, he said.
During the raids it was established that four or five persons, believed to be involved in it, were seen at Ormanjhi and efforts were on to trace them, Sinha said.
One person named Ujjair Ahmad was nabbed on October 30 after Imitiaz Ansari another accused was arrested on the day when the serial blasts shook Patna.