Hours after former Madhya Pradesh finance minister Raghavji was arrested in connection with a sex scandal, Congress leader Digvijaya Singh on Tuesday accused chief minister Shivraj Singh Chouhan of shielding his colleague.‘The charges against him (Raghavji) are condemnable. The chief minister tried to save him but could not,’ Singh told reporters. Raghavji, who was in then hiding and on the run for the past few days, was arrested.