A woman has been arrested for chopping off her husband’s penis after she accused him of having an affair. 

After carrying out the crime, the Woman, known only as Sarasu, put the penis in her purse, boarded a bus and went to visit her parents, Metro UK reports.

But she was arrested before she could reach their house in the south Indian city of Vellore.

The woman, believed to be a 30-year-old mother of four, had been married to husband Jegadeesan for 14 years but had been living separately from him, reports say.

The attack took place on Thursday after her husband had fallen asleep.

The attack took place on Thursday (Picture: Rex)

The couple had argued when the husband had returned home drunk that night and told Sarasu that he would marry again because she had become old, IBT Times reported.

She interpreted that to mean he was having an affair, reports say.

According to M T Irudhayaraj, inspector of police, the heated argument lasted till midnight, at which point the victim went to sleep.