The Supreme Court today directed the CBI to take possession of the viscera samples of Ashutosh Asthana, prime accused in the multi-crore PF scam, who died mysteriously in Ghaziabad's Dasna jail. A special bench headed by Justice D K Jain ordered the CBI to forward the samples to All India Institute of Medical Sciences (AIIMS) to ascertain the cause of his death on Saturday. The bench further directed that the judicial magistrate inquiring into the circumstances leading to Asthana's death shall submit his report to it within eight weeks.The Apex court also asked the UP police to provide adequate protection to all the accused and witnesses in the case in which some judges were allegedly involved.Asthana, a treasury officer at the Ghaziabad court, was arrested in April 2008 in connection with siphoning off provident fund of class III and IV employees. During interrogation, he had named 36 judges of various courts,including one from the Supreme Court, as alleged beneficiaries of the scam.The investigation in the case is being done by CBI under the directions of the apex court. Those names in the scam include seven Allahabad High Court judges, six retired High Court judges and 12 judges of subordinate judiciary in Uttar Pradesh. Dasna jail authorities today began an inquiry into the mysterious death of Ashutosh Asthana. DIG (Jail) A K Panda visited the district jail in Ghaziabad and recorded the statements of the inmates in the barrack in which Asthana was lodged under judicial custody. Meanwhile, the UP government's decision to conduct a judicial probe into Asthana's death has been referred to District Judge (Ghaziabad) V D Gupta to decide whether he or someone else will conduct the inquiry, District Magistrate R Ramesh Kumar said.