Bhopal, Nov 18 (ANI): Reacting on Congress's advertisement on corruption in the Shivraj Singh Chouhan family, Chauhan served a Rs 10 crore defamation notice to Congress President Sonia Gandhi and State Congress President Kanti Lal Bhuria. BJP's spokesperson Hitesh Bajpai said that the Congress has come down to level of violence and that they are jealous and scared of Chauhan and Narendra Modi.