Junior Engineer Avdhesh Kumar suffered injuries on his head, chest and hands after he was beaten up at the sub- station last night, they said.
The incident was reportedly due to disruption of power supply in Molnapur village for the past three days after a electric pole broke.
According to the Superintendent of Police Anil Kumar, an FIR has been lodged and two people have been arrested.
"The junior engineer also alleged that his valuables were looted and named two people in this connection who have been arrested," the SP said.