Student of the Shaheed Mohtarma Benazir Bhutto Medical University’s (SMBBMU) Bibi Aseefa Dental College, Nimrita Kumari was found dead earlier on Monday.
The body found lying on a charpoy with a rope tied to her neck while her room was locked from inside.
Nimrita's friends grew worried when she did not respond to their knocks on the door for several minutes.
“She was neither responding to the knocking at the door nor to our shouts,”
one of her friends told the police.
The hostel's watchman later broke open the door and found her dead, reports said.
Nimrita Kumari was enrolled in the university's Bachelor of Dental Surgery programme and was a final year student, reports The News International.
The university's Vice-Chancellor, Aneela Atta-ur-Rahman they had formed a committee to probe Kumari's alleged suicide. It would be headed by the principal of Larkana's Chandka Medical College, she added.
However Dr Vishal Chandrani brother of Nimrita Kumari who sharing details of the death said:
“I have seen my sister's body and all evidence on it point towards murder.”
Meanwhile, a large number of people specially students came out on road at the upscale Clifton area of Karachi on Tuesday night demanding justice for Kumari.
Social media users demanded justice for Kumari at #justicefornimrita.
Pakistani former cricketer fast bowler Shoaib Akhtar also joined the angry social media users and hope for justice.
"Extremely sad & hurt sad reading about the suspicious death of young innocent girl, Nimrita Kumari. I hope the justice is served and the real culprits are found. My heart beats with every Pakistani no matter what faith he/she belongs to. Rest in Peace," he tweeted.