The incident happened in the Aideu Handique Girls Hostel of Dibrugarh University (DU).
The deceased has been identified as one Ranjita Chetry, a boarder of the Aideu Handique Girls Hostel.
Meanwhile, the reason behind this extreme step has not been established yet.
The girl was a resident of Bihpuria town in the state's Lakhimpur district.