K Rajavva was staying alone and had four sons. The sons had sheeps, which were looked after by her kin Naresh, said Sanjay Kumar sub-inspector of police, Husnabad Police Station.
Yesterday Naresh, who was in an inebriated condition, came to Rajavva and demanded Rs 100, the officer said.
She refused to give Naresh the money and asked him to return Rs 100 which he had taken earlier, Kumar said.
In a fit of rage, Naresh attacked Rajavva with a stone following which she died on the spot. A case under relevant sections of the Indian Penal Code was registered, he said, adding efforts were on to apprehend the accused.