Aizawl, Nov 25 (ANI): Chief Minister Lal Thanhawla on Monday expressed confidence that the Congress party will win with a huge margin in Mizoram. Polling for the 40 seat assembly elections in the state began amid tight security. The polling was brisk in most parts of the mountainous state. Of the 40 assembly seats, 39 are reserved for tribals. One seat is for general category. Counting of votes will be taken up Dec 9.