better to ask for a new train between durg patna via raipur bilaspur jharsuguda rourkela chakradharpur - sini- kandra- chandil- purulia - bokaro steel city-dhanbad -chitranjan -madhupur jhajha- kiul-mokama-patna .This route will elininate the change of loco or loco reversal atleast 2 days in a week