According to a BSF statement, three other three jawans were rescued, who were also in the vehicle.
"One of our vehicles, carrying an assistant inspector, 3 ranks and a driver, suddenly lost control while patrolling the border and fell into 20 m deep water", said an officer of the BSF to news agency.
"Three of them have made it to a safer place, of the two missing, one was found dead, but another is still missing," he added.
The search for the missing person is still underway.