The incident occured in Amra village as two villagers, identified as Vikki Kumar (29) and Mantu (27), tried to fix fault in a transformer to restore power supply and were electrocuted, the Additional Superintendent of Police (ASP) Ashok Kumar Singh said.
Another man Lalan Yadav sustained injuries in the same incident, he said.
The bodies have been sent for post-mortem and the injured admitted to a referral hospital for treatment, Singh said.