Two militants have been killed so far while search operations are going on for the other ultras, he said, adding, two AK assault rifles have been recovered from the scene of the encounter.
The spokesman said three army jawans were also killed while battling the infiltrating militants.
This is the second major infiltration bid foiled by the troops near the LoC in Kupwara district within a week.
On Friday, troops shot dead four militants attempting to sneak into the Valley in Keran sector.