District Magistrate Chandra Bhushan Singh said the district has six assembly constituencies and 20,20,826 voters, including 9,37,688 women.
He said the district has been divided into 25 zones and 156 sectors to be overseen by zonal and sectoral magistrates.
Fifty-five companies of Central Armed Police Forces (CAPF) personnel will be deployed in the district for peaceful conduct of assembly polls.
One company of CAPF usually has around a hundred personnel.
Senior Superintendent of Police Abhishek Yadav said 238 antisocial elements have been "expelled" from the district for six months and 200 more will be expelled as a preventive measure.
-With PTI inputs.