The hospital authorities at AIIMS, however, testified to her mental illness by producing the patient's records.
Cotton University students are demanding funds for some departments, construction of girls hostels and appointment of more professors.
School authorities had initially told the police and the victim's parents that he had died due to food poisoning.
The administration has also issued an order asking female students to sit separately from males and return to their hostels before 10 pm.
Nine members of Pinjra Tod belonging to Bahujan, tribal and Muslim communities, had accused the collective of appropriating their voices to appear inclusive.
In a momentous decision, Hindu College's 100-year-old student parliament recently allotted a formal office space to the leader of opposition.