The deceased was identified as Nusrat Jahan Mim, 20, wife of Md Monir of Taltoli area in Daulatkhan upazila.
Victim’s brother Akbar Hossain alleged that the family members of Mim’s in-laws fled after killing her for dowry.
Mim’s husband and his family members have been torturing for past two years since their marriage, he added.
Meanwhile, officer-in-charge of Daulatkhan Police Station Enayet Hossain said the body has been sent to Sadar Hospital for autopsy and cause of death will be clear after post-mortem examination.
A case of unnatural death was filed with Daulatkhan Police Station in this regard, he said.