Madhya Pradesh Chief Minister Shivraj Singh Chouhan has written a letter to senior BJP leader and former Himachal Pradesh Chief Minister Shanta Kumar, saying he is committed to bring all the persons guilty of VYAPAM scam to book. Mr. Chouhan claimed that it was the reason he had handed over investigation into the scam to Special Task Force (STF). Mr. Chouhan further said that it was not him but the Congress leaders, who should bow their head in shame for 'misleading' the investigation by distortion of facts. Mr. Chouhan said that Mr. Kumar himself ignored the values, whose absence he has referred to in his letter written to party president Amit Shah.<br/><br/>Mr. Shanta Kumar had written a letter to party chief Amit Shah saying reports of Vyapam scam in Madhya Pradesh have made all party workers bow their heads in shame. He said any Indian will be disappointed and distressed over the kind of stories being reported by the media. Meanwhile, CBI has registered preliminary enquiries in the deaths of VYAPAM accused Aditya Choudhary and Banti. According to the STF, both were involved in the VYAPAM scam.