Police said that a bus conductor was among the two arrested, and added that both were known to the minor.
The girl, belonging to a poor family and was studying in a government school.
She is now admitted to the Rajiv Gandhi Government Women and Child Hospital for medical examination.
Police said the victim was reported missing since the afternoon of January 1 after she left for her nearby village Kothapurinatham after attending a tuition class.
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