Rupavathi Lalitha (19), the deceased, was a student of Kakatiya University College, Warangal.
Sub-inspector of Railway police K Sreenivas said she was from a scheduled tribe and came from Ramachandrapuram village in Matampelli mandal of Nalgonda district. She was staying at a private hostel here.
The body, which was mangled, was identified from SIM card in her phone. Autopsy will be conducted at MGM Hospital.
Further probe is on.