Police recovered the body of a youth from a pond of West Para of Kaeempur union under Kasba Upazila in Brahmanbaria on Friday.
The deceased was identified as Rasel Miah, 25, son of Mizan Chowdhury under the same Village of the Upazila.
However, the body was recovered from a pond adjoining his father-in-law's house at Kaimpur Union on Friday morning.
Police have arrested Russell's wife Fatema, Fatema's father Wadud Mia, Fatima's brother Rubel and Fatima's elder brother Rahima Akhter in this regard.
Officer-in-Charge (Investigation) of Kasba Police Station Asadul Islam said that an arbitration meeting was held on Thursday in connection with the dispute with Russell's father-in-law's house. When the young man left the house at night, he did not return.
Later in the morning, his body was found from a pond beside his father-in-law's house.
He also said that marks of injuries were found at various places of the body, including Russell's head, during the initial sunset.
The body was sent to the morgue for autopsy.