According to BSF officials, the jawan went missing last night from Chowkichar outpost where he was on patrolling duty.
Though it is not confirmed, it is feared that he died due to drowning near the outpost.
A rescue operation has been launched to find him by BSF's water wing, NDRF and local residents, the officials said.
The jawan has been identified as Bipin Mishra(45) and hails from Bihar, they added.
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