The incident occurred at Gudha village, 50 km from here when the deceased identified as Sunil (13), Dipak (13), Brijendra (14) and Kaushal (15) were having a bath, Jatara police station Inspector Laxman Prasad Yadav told PTI.
An overhead wire of 1,100 KV suddenly broke and fell in the river. The children belonged to Ahirwar community, he added.
Their bodies were handed over to the family members after post mortem. A case has been registered in the incident and investigations are underway, the officer said.