The processFirst, at the item writing stage, experts are called in to provide questions and answers, not knowing if their contributions will be in the final paper. Further, from the moderation step onwards, the experts concerned have full access to final sets of questions. The NTA maintained “no practice of checking or frisking of experts” as they entered or exited the confidential section, the agency has alleged. One such paper landed in the hands of an aspirant who complained about the paper leak to the NTA, the CBI has alleged in the charge sheet. As a result, the activities of the experts in the confidential hall went unnoticed,” the CBI alleged.