The ship carrying the Bangladeshis will bring back Myanmar security personnel who crossed the border recently amid fighting with rebels
Locals of Nadparha village confirmed that they left their houses in two phases.
No one could say where they had gone.
Police said they had heard about the matter but no compliant had yet been filed.
Sarutia Union Parishad Chairman Mahmudul Hasan Mamun and some neighbours, requesting anonymity, said brothers Samaren Mandal and Bipul Mandal sold 12 katha (18 decimal) of land around a month ago because they needed money.
A gang of criminals from neighbouring Aushia village had been demanding sums from them since then.