A total of 683 candidates are in the fray, including former CM Champai Soren and ex-MP Geeta Kora. Serailkela-Kharsawan district registered the highest voter turnout at 66.38 per cent, followed by Lohardaga (65.99 per cent), Gumla (64.59 per cent) and Simdega (64.31 per cent).