Vaniyambadi taluk police have arrested a 30-year-old man for murdering his grandmother on Wednesday.
Police said Arul Kumar, a resident of Vanipudur in Vaniyambadi, murdered his grandmother Saroja (70) on a land located at Mettukollai in Vanipudur. He allegedly slit her throat using a knife when she was on the way to the ration shop at 10 a.m.
He told the police that he murdered her as she did not give him money to get a new electricity connection for the house, police said.