Naresh Patle, who had come to his father-in-law Ramchandra Rahangdale's place along with his wife Uma (24), allegedly had a heated argument with her in the afternoon and in a fit of rage axed her to death, they said.
After hearing Uma's cries for help, her sister Poonam Rahangdale (20) and brother Manoj (22) rushed to her rescue but Naresh also attacked them with axe resulting in their death, police said.
Naresh, who fled the crime spot, was later arrested by police from the outskirts of the village.
Meanwhile, police had to rush in additional reinforcements from Gondia, Dawnivada and Tirora villages after the news of the triple murder spread.