The two-day North Eastern Council (NEC) plenary has approved the Vision 2020 to restore the NE region to a position of national economic eminence by the next eight to ten years. After hectic discussion among member States of the NEC in the two-day plenary that commenced here on Monday, DoNER Minister Mani Shankar Aiyer, all Governors and Chief Ministers of the region states signed the Vision-2020 document on Tuesday.