"Based on intelligence reports, the police launched an operation in Singhasan Hill area and found the arms and ammunition buried undrground at Klumphai of Saijang," Suprintendent of Police B B Chetri told PTI.
The recovery include two M-16 rifles with two magazines, one SBBL gun, a .22 rifle and a .32 rifle with one magazine each were dug out, he said.
Claiming it to be a major achievement for the police, he said, a close watch was kept on KRA following the intelligence reports and an operation was launched in the area since the last few days.
After the Manipur-based KRA operating in the district and local United Kuki Defence Army surrendered before the Central and Assam governments in January, official sources said there was conflict between the two groups.
The KRA planned to form a new outfit and was bringing in arms and ammunition from Manipur and burying them in the area for use later, sources said.