While students complained that they were unable to find their roll number on reaching the venue, University Grants Commission (UGC) in a statement said "students mistakenly noted down the wrong venue for the exam".
According to the principal of Kirori Mal College, the list of venue was uploaded by the college a week prior to the exam.
However, some students who noted the wrong venue arrived at Kirori Mal College centre and insisted that they be allowed to appear in the exam.
UGC secretary along with the bureau head of NET exam visited the venue and assured the candidates that UGC would take appropriate decision in the matter, it said.
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Officials said they were working on the number of students affected.
The commission said that "considering the larger interest of the students in mind, UGC has decided to conduct exam for NET afresh for all such candidates of Delhi centres who could not write NET exam due to confusion of venue or disruption at Kirori Mal College."
Exam would also be conducted afresh for candidates who could not attend the test at one of the NET examination centres in Ranchi where there was report of "mismanagement".
Besides, the recruitment examination for Education Officers, which was also disrupted today, will be held afresh for the Delhi region.
Kirori Mal College was the only Centre for the Delhi region for this exam.
Around 8 lakh candidates had registered for the UGC-NET exam today across the country for lectureship and junior research fellowship.