The girl was allegedly hit by a 15-year-old boy, on July 13, who was annoyed with her as she went to another shop instead of buying groceries from the shop run by his father.
Her parents took her to RML Hospital after she was hit by the boy but girl was later discharged from the hospital after treatment.
However, her condition again deteriorated and she died last night.
The accused boy has been detained by the police after the girl died, on the complaint of her parents. The girl's body has been sent for post-mortem.