vyapamThe Congress today charged Madhya Pradesh Chief Minister Shivraj Singh Chouhan with shielding those who were directly or indirectly involved in the Vyapam scam. Talking to reporters in New Delhi, party spokesperson Shobha Oza said, the Chief Minister should resign taking moral responsibility of the scam. She alleged that Mr Chouhan tried to save several influential people by giving them Ministerial posts so that there would be no inquiry against them.