Following a specific input, a joint search operation of the police and Army was launched at the Kotranka belt of the district, said a senior police officer.
The weapons were recovered from a natural cave in the Baurgalli area, which was used by terrorists as a hideout, he added.
Two AK rifles, two magazines of AK rifles and three pistols were recovered from the cave, said the officer, adding that cognizance of the matter had been taken and a probe into it was on.