The body of Monika of Baliyana village, who had passed out from the institute last year, was found at the second floor of the college, they said and added a suicide note had also been recovered from the spot.
According to police, a sweeper of the institute first saw the body and informed the college head, who in turn called police.
"We have started a probe into the matter. Exact reason behind the death could be ascertained after a postmortem," a police officer said.