Army dominated the first half by 44-14 points.
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Tanu caged 16 and Alim 12 points for the Army while Linkon scored 12 and Maruf 9 for the Air Force.
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Earlier in the day's first match, Josephites Club beat Bangladesh Police 55-36 points after leading the first half by 29-22 points at the same venue.
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Avi contributed 26 and Ishtiaq 11 for the winners while Aziz scored 15 and Mahmudul 9 for the losers.