The victim's father, who had initially sought the repeat autopsy from the Madras high court, moved the Supreme Court to stay that order because his request for a doctor of his choice to be present had been denied.
The protesters, including the victim's family, contested the school's claim that the student died by suicide and are seeking a CID probe into the matter.
The death of a Class 12 student in Tamil Nadu's Kallakurichi sparked violent protests on Sunday when hundreds, including former students and the family of the girl, vandalised the institute and clashed with police. Here's what we know so far.