According to police, the incident took place in Mahwa town of Dausa, some 120 km from Jaipur.
"The girl, Diksha Kumari, was a first year Bachelor of Arts (BA) student at a private college in Mahwa," said Mahwa police station in-charge Jetram Vishnoi.
He added that the girl was found hanging from the ceiling of her room on Thursday morning.
The officer said that one of the youths had been arrested, while search for the other three is on.
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