Matawada police said that M S Mounika, the girl, hailed from Old Boinapally area of Secunderabad.
She had joined the MBBS course in 2011 and was going to appear for final year exams from January 22.
Police commissioner G Sudheer Babu visited the spot and took review of the probe.
No suicide note was recovered from her room, police said, adding that stress of the studies may have prompted her to take the extreme step. Further probe is on.