Police has arrested the accused son.
According to the police sources, the 60-year-old victim, Bindawati refused to give money to her son following which he verbally abused her and hit her on the head using a stick.
The victim died while being taken to the hospital, they said.
Mumbai Roundup: 9 incidents that took place this week
Photos: Ajay Devgn, Parineeti, Tabu at 'Golmaal Again' trailer launch
Photos: Dipika Pallikal Karthik oozes oomph in bikinis and sarees
Photos: Kareena Kapoor Khan's grand birthday bash
Photos: 'Dangal' girls Sanya Malhotra, Fatima Sana Shaikh's dinner outing