A 15-year-old girl had difference of opinion with her mother over his carrier has killed her by strangulating with her Karate Belt, at Thane district in Mumbai, Maharashtra on July 30.

The girl informed police that her mother died as she fell down from the height. However, the postmortem report disclosed the death was due to strangulation.

During inquiry, the girl confessed to the crime. She said there were tussle between her and mother over her carrier. Her mother wanted she should take up medical profession which she not wanted.