India, Sept. 17 -- A school teacher was arrested on Wednesday, a day after the decomposed body of a Class 7 student who had been missing for 20 days was recovered from Rampurhat in West Bengal's Birbhum district, police said.

"A teacher from the school where the girl used to study was taken into custody on Wednesday on the basis of a complaint lodged by the victim's family. He is being interrogated. It is not yet clear whether the girl was physically abused before being killed," a police officer said, requesting anonymity.

The Rampurhat court remanded the teacher in police custody for nine days.

The girl, a member of a tribal community, went missing on August 28 while on her way to a private tutorial class, following which her family l...