A minor boy shot at his sister after he got infuriated over her continuous chatting with a male friend, in North East Delhi's Welcome area.
The girl is admitted to a hospital where she is under observation.
The 17 - year - old boy has been apprehended.
The incident happened on Thursday when the boy saw her sister chatting with the friend despite his repeated warnings.
A heated argument followed after which in a fit of rage he shot at his sister in her stomach with a county made pistol.
According to police, the boy had procured the illegal weapon from one of his friends.