New Delhi, Jan 14 (ANI): AAP Chief Arvind Kejriwal on Wednesday reacted after BJP Delhi Chief Satish Upadhyay in a press conference said that the party will file criminal defamation case against the Kejriwal, if fails to provide any prove his allegations. Kejriwal said that the proofs against Upadhyay are on the website. He added that he is talking of filing defamation case to save his image.