The president of National Identity Protection Council (NIPCO), Premjit Oinam and his wife was arrested on Monday.
The police recovered three pistols and live cartridges from their possession.
On the other hand, two persons identified as Sana of Nongren and Sahabuddin of Phoubakchao were also nabbed by the police in the same case related to CRPF bomb attack at Nagamapal