The appointments mark a crucial step in the ongoing overhaul of the NTA aimed at strengthening the institution, with contractual staff being replaced by permanent appointees.
The CBI prosecutor told the court that the new evidence and forensic findings had brought to light crucial aspects of the case, warranting a deeper investigation.
The CBI recently submitted its final report before the fast-track court dealing with "criminal cases arising from paper leaks as well as the use of other unfair means in public examinations".
The plea sought the court's permission as the accused wanted to "demonstrate their bona fides" and assist the agency to conduct a "fair and transparent investigation."