The incident occurred last evening when the accused couple visited the woman, identified as Leela Gaikwad, at her residence in Mohan-Budruk Akhad Pada area and picked up a fight over a long-drawn property dispute, Sub-Inspector P S Naik of Vikramgad police station said.
They then kicked and thrashed the victim, who was a widow, and attacked her with a log of wood, following which she died on the spot, he said.
The body has been sent for post-mortem, Naik said.