The incident took place at Satala village in Ahmedpur tehsil on Friday night, he said.
The accused, Dnyaneshwar Nathrao Munde, demanded money from his mother Sangeeta Nathrao Munde (40) to buy liquor, but she refused, following which, the son picked up a crowbar and hit it on the head of his mother’s head, resulting in her death, he said.
Dnyaneshwar locked the door of their home and fled. He was arrested a day later, the official added.