Three militants were killed in the first encounter in Lolab area after a joint team of army and police, acting on a tip-off, launched a search operation in Dobwan forest area, an army official said.
As the search operation was going on, the militants opened fire on the security personnel who retaliated.
In the ensuing gunfight, three militants were killed, he said.
In the other encounter, three militants were killed in Drugmulla area in the evening, the official added.
He said security forces launched a search operation in Waterkhani forests of Drugmulla following information about presence of militants there.