Ram Jeewan Raut was sleeping in his house when he was abducted by the group.
The reason behind the abduction is unknown. No one has claimed responsibility for the abduction.
Five people, including three civil servants, have been abducted in Mahottari district in the past one month.
Four of them walked free after paying ransom. Police have not been able to take action against the abductors in any of these cases.
School principal shot at by unidentified people in Janakpur