Bhopal Mukhiya of 17 JAK Rifles, posted in Boniyar area of Uri sector, was taken into custody after two hand grenades were seized from his baggage during screening at the main gate of the airport, an official of the anti-hijacking force said.
A resident of Darjeeling, Mukhiya was going home on leave. He was to board a Delhi-bound chartered flight, the official said.
The jawan reportedly told police that a packet containing grenades was given to him by a "superior official" for handing it over to someone at the Delhi airport.
"A soldier has been caught carrying grenade in a packet as reported by the airport authorities. The matter is under investigation. As per the law, the army will take action against the individual," the spokesman said in a statement issued here.
Senior officials of the security wing of the state police refused to give more details about the case.