The incident took place around two months back. The woman had called the girl to her home on some pretext, following which her brother-in-law allegedly raped her and also filmed the incident, a police official said.
The girl's father came to know about the incident recently when the video went was circulated widely.
A case has been registered and a hunt is on to nab the accused, while his sister-in-law has been arrested, the police official said.
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