The boy, who has been sent to a juvenile remand home, was taken into custody after the 14-year-old girl's parents lodged a complaint, they said.
According to police, the boy and girl were neighbours in Thagarapuvalasa area of the district and were in a relationship.
Some days ago, the girl asked the boy to give a commitment of marriage, but the latter refused.
The girl told her parents about the affair following which they approached the police, who registered a rape case against the boy.
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