About 50 rebels belonging to a group that broke away from the Naga separatist organization NSCN (K) are likely to join the national mainstream. Security agency sources gave this information on Saturday. He said that this group of Naga rebels are seeing a threat to their existence after increasing cooperation between the Indian Army and Myanmar military forces on the border between the two countries. He said that as a result of joint efforts by the Army, State Security Forces and the Military Intelligence Agency in the last few months, the group led by Nikki Sumi has decided to surrender.