The identity and group affiliation of the deceased militants was not known yet, the sources said.
Security forces have intensified anti-insurgency operations along the Line of Control in Kupwara district since last week.
Three militants were killed in a gunbattle with the army and police in Bangus valley of Kupwara on Thursday.
The sources said the operation against the militants in the area is still going on. An Army jawan and a policeman were also injured in the exchange of firing with the ultras in the area.
One unidentified militant was killed in an encounter with security forces in Handwara area on June 29.
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