The police have arrested the accused, identified as Guruwaru Kanwar (26), for the crime that took place yesterday, officials said.
The victim, Urmila Kanwar, died on the spot. When the accused attacked his mother, there was nobody else in the house as his sister had gone to fetch water, police officials said.
"The accused suspected his mother's character and they used to be quarrel over the issue," the officials said.
Based on a complaint filed by the victim's kin, Lailunga police arrested Guruwaru yesterday and also recovered the club used in the crime.