New Delhi, Feb 18 (ANI): BJP leader Nitin Gadkari has filed a defamation case against Aam Aadmi Party leaders Arvind Kejriwal and Ashutosh on Tuesday. Talking to mediapersons, Gadkari said that Kejriwal has tarnished his image by calling him corrupt. The complaint was filed before Metropolitan Magistrate Gomati Manocha. Kejriwal had called Gadkari as "corrupt" and included his name in the list of "Most Corrupt" and said his party would field candidates against him.