Mahmudullah will lead Bangladesh in the T20 series against India, while Mominul Haque is Test captain in Shakib Al Hasan's absence.
Shakib Al Hasan will not be cleared to play cricket again until next October at the earliest after accepting ICC anti-corruption charges.
Shakib Al Hasan made a vital unbeaten 70 to see off Afghanistan and give Bangladesh a boost ahead of the T20 tri-series final.
Bangladesh face Afghanistan in a Test match next week but their captain, Shakib Al Hasan, would rather not be leading the side.
With the group stage of the Cricket World Cup completed, we look at some of the statistical leaders with the assistance of Opta.
Six wickets from Shaheen Afridi saw him register Pakistan's best Cricket World Cup figures and captain Sarfraz Ahmed lauded his young star.
An improbable result will be required if fifth-placed Pakistan are to overhaul New Zealand and reach the Cricket World Cup semi-finals.
Shakib Al Hasan said putting in the hard yards prior to the Cricket World Cup has enabled him to be at the peak of his powers.
All-rounder Shakib Al Hasan demonstrated his class with both bat and ball as the Tigers showed they are contenders for a semi-final spot.
Australia will target the key wicket of Shakib Al Hasan as they prepare to tackle Bangladesh at the Cricket World Cup.