Attacking the Madhya Pradesh Chief Minister Shivraj Singh Chouhan over the Vyapam scam, Congress general secretary Digvijaya Singh on Monday (July 6) said, "Till how long will the Chief Minister avoid the CBI probe." He also stated, "The Special Task Force (STF) investigating the scam has no control over it and that the STF don't have enough personnel under them to order a proper enquiry." He demanded that the Supreme Court must take over the issue now.