World T20: Mohammad Naim, Rahim scores fifties as Bangladesh score 171/4 against Sri Lanka
Rahim hammered five boundaries and two sixes in the innings to help reach a competitive score against the former champions.
Naim hit six boundaries in the knock.
Sri Lanka bowlers Chamika Karunaratne, Binura Fernando and Lahiru Kumara picked up a wicket in the match.
Both the teams reached the Super 12 stage after passing the qualifying stage.