New Delhi: According to preliminary CBI investigation findings cited by sources in news agency ANI, a handwritten copy of the NEET UG 2026 question paper was scanned and converted into PDF files by the father of a candidate in Rajasthan.This development comes after the National Testing Agency (NTA) canceled the NEET exam held on May 3, a move that has affected lakhs of medical aspirants across the country.Preliminary investigation findings revealed that the question paper was first accessed and then circulated through Yash Yadav, who allegedly delivered it to Rajasthan. Investigators say Yash knew Vikas Biwal, whose father Dinesh Biwal is accused of scanning the handwritten paper and converting it into digital format.Officials alleged that the scanned paper was shared with students at coaching centers in Sikar, Rajasthan.Sources also said that Yash himself has not cleared the exam and is a Bachelor of Ayurvedic Medical Sciences student.CBI has interrogated the employees and owners of the coaching institute as part of the investigation. According to ANI, some students have told investigators that they paid between Rs 2 lakh and Rs 5 lakh to access the leaked material.One of the accused, Shubham Khairnar, has denied being the mastermind behind the leak. The agency is also trying to trace the original source of the question paper.Statements of students and accused persons are being recorded, while officials are also verifying the money transactions related to the case.