The District Election Officer (DEO) of Imphal East, Dr Rangitabali Waikhom on April 23 stated that security has been tightened and strict vigil is being kept on the 12 polling stations where repolling is scheduled on April 24, reports Assam Tribune. Repoll will be held in 12 polling stations belonging to four Assembly constituencies – five polling stations under Heigang constituency, one under Thongju, four under Keirao and two under Andro constituency.