The incident happened at Santhua village and the shopkeeper has been identified as Sohan Sao (35), a resident of Simra village in the district.
Aurangabad Sub-divisional Police Officer (SDPO) Ajay Narayan Yadav said, "The shopkeeper was into food grain business for past some time. His wife Pratima Devi has accused one Shankar Singh, a rice mill owner, for the murder."
The SDPO said the deceased's wife has alleged that Sao was under debt of Rs 8 lakh belonging to the mill owner, who used to pressurise him for the recovery. He had also threatened Sao of killing him on past occasions.