Police suspect that the man, Srikrishna Singh, got the satellite phone from his son who earlier worked in merchant navy.
The Intelligence Bureau got information that a person had been using a satellite phone to talk to someone in the Gulf region and suspected him to be part of a sleeper cell of some terror outfits, they said.
The case was handed over to the Surveillance team who kept a close watch on the suspect for three days and then arrested him from Motikunj extension here.
