The special session is tentatively scheduled for December 20 and the Governor of Assam and Nagaland Jagdish Mukhi will formally summon it, Minister for Planning & Coordination, Land Revenue and Parliamentary Affairs, Neiba Kronu told. The Armed Forces (Special Powers) Act, 1958, gives the Army powers of arrest and detention in ‘disturbed areas’. He said that the decision was taken during a meeting of the Core Committee on Naga Political Issue of the held here during the day.