The incident happened in Chosana village under Jhinjhana Police Station yesterday, SHO Bhagat Singh said.
A case has been registered against five people and all the accused have been arrested, Mr Singh said.
According to an FIR, five men attacked Ms Fatima and her mother, he said. Her mother, Shamsi, was seriously injured in the attack.
Her brother-in-law, who is in jail, had been trying to force her to withdraw the case against him but she had refused, police said.
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