The girl, hailing from Kettipalada in Nilgiris district, was found lying dead in a pool of blood with head injuries on the college campus in Madukkarai last night, police said.
This is the third incident involving the death of college students in the state with in a fortnight after the alleged suicide of three girls of a naturopathy college in Villupuram and death of another girl student in Anna University campus in Chennai.
Yesudas, suspecting foul play, claimed that his daughter was "not a coward to commit suicide", police said.
The girl's father and relatives refused to accept the body from the hospital alleging foul play in the death and demanding a detailed inquiry into the incident.