Justice G S Sistani, before whom the matter was listed for hearing, said he was recusing himself from the hearing as someone in his family is studying in the university and that the matter be heard by another bench.
A bench of Justices G S Sistani and Vinod Goel had earlier expressed concern over the alleged suicide, saying it appeared that there was a communication gap between the student and the people close to him.
Sushant Rohilla, a third year law student, allegedly hanged himself at his home in Delhi on August 10, 2016 after the university was said to have barred him from sitting for his semester exams because he did not have the requisite attendance.
He left behind a note saying he was a "failure and did not wish to live".
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The Supreme Court had on September 5, 2016 taken cognisance of a letter written by a friend of the deceased student, saying it would examine whether there was an "element of suspicion" that the incident could have taken place due to "harassment".
Acting on the apex court's direction, the high court had issued notice to the Indraprastha University, to which the institution is affiliated, saying it was a necessary party.
The high court had allowed the application for impleadment of the deceased' sister, who has alleged foul play in her brother's death.
The PIL was instituted after taking note of the letter written to then CJI T S Thakur by Raghav Sharma, a close friend of the deceased and a 4th-year law student.
The letter had blamed the Amity authorities for Rohilla's suicide.
Alleging harassment by his teachers, his classmates had taken to social media and launched protests on campus after his death demanding action against his professors, two of whom have since resigned.
The letter to the CJI had also sought that the apex court should take cognisance of the incident and order a probe by an independent committee in such matters.
The varsity had said that the student had 43 per cent attendance, whereas the attendance requirement of the university was 75 per cent.