Besides, 9 different personnel of the border guarding pressure have been additionally injured.
Supaul Superintendent of Police D. Amarkesh stated the casualties occurred after the SSB personnel had come in contact with a excessive stress wire.
They have been posted in the forty fifth battalion of SSB in Birpur.
According to an official of the forty fifth battalion of SSB, a workforce of 12 personnel have been patrolling in the world when the mishap passed off.
The injured personnel later contacted the battalion workplace in Birpur adopted which their colleagues arrived on the spot for assist and help.
“We have found three individuals dead on the spot while other nine personnel were critically injured. We have rescued them and admitted them to a hospital where four of them are in critical condition,” an official stated.