Nazmul Hasan suggested Rahim to have a talk with his brother-in-law Mahmudullah Riyad, who was a part of the Test team, about his experience, before taking a call.
Both teams are likely to test out their bench-strength in the inconsequential match.
Mustafizur Rahman also had an off-day last time, conceding 40 runs on a difficult strip to bat on.
The pitch on Friday's game was tough for batting and it may not change much second time around.
Mustafizur Rahman had a rough day as he gave away 40 runs, though he got Mohammad Hafeez's wicket.
The average T20I score at the Gaddafi Stadium is 166 with the last five matches, going in favour of the team, batting first.
Bangladesh have been clubbed with Namibia, Netherlands and Scotland in Group B of the first round of the World Cup and are much likely to qualify for the Super 12.
Dre-Russ' heroics has shown Chattogram Challengers the door of elimination.
The Royals will be looking for a better show with the bat in order to roll over the Challengers.
Mashrafe Mortaza had 14 stitches on his left-hand after getting injured in the last game.