Kohima : The Assam Rifles, on Friday rescued six persons who were held captive alledgedly by the NSCN-IM militants for a ransom in Dimapur Nagaland. They arrested five militants into their custody, it is reported.The source informed that the six persons were kidnapped and families were contacted between April 13 and 27 demanding ransom. The rescued were from Assama and Bihar. Five NSCN-IM cadres have been arrested