CBI chargesheet claims paper setting done at NTA's Okhla building: What key evidence did agency find?

{"#digital-evidence":"CBI uses extensive digital forensic evidence to support its claims. The agency found that the process of paper setting, translation, and back translation was carried out at the NTA’s Okhla office in a secured environment. Key records include data from an access-control app used by Kulkarni's residential society.","#procedural-lapses":"The CBI identified several procedural lapses within the NTA that allowed for the leak of confidential exam questions. These include the use of an access-control app and call data records to establish students' presence at the society in Pune.","#coaching-centre-involvement":"The chargesheet also implicates coaching centre owner Shivraj Raghunankar as an accused, who allegedly received question papers from Kulkarni. The agency found that the accused were involved on different dates between March and April, leaving them sufficient time to return to Pune before the May 3 examination."}