This marks the second time in a week that Shanto has injured his finger, raising concerns just days before the crucial Test.
According to team sources, the skipper is currently under observation, and a further update on his fitness will be provided after medical assessment.
The second Test of the series is scheduled to begin later this week, with Bangladesh hoping to end the tour on a high after a rain-affected draw in the first match in Galle.
The Bangladesh Cricket Board (BCB) has revised its election schedule, making several key changes. Initially set for October 4, the election has now been postponed by two days. As per the new timetable, voting and result announcements will take place on October 6.
Former Bangladesh captain Tamim Iqbal has expressed his hope that the upcoming Bangladesh Cricket Board (BCB) elections will be held without any government interference.