A National Democratic Front of Boroland (NDFB) terrorist was arrested on Wednesday in a joint operation launched by the Army and police.
"We have seized 1 pistol and 15 rounds of bullet from his possession. As we investigated further, we found one AK-56, one magazine and 21 rounds of bullets buried at the yard of his residence," said Officer Bidyut Bikas Bohra of Gossaigaon police station.
The investigation in this regard is underway.
Further details are awaited.