Varanasi, April 23 (ANI): Aam Aadmi Party (AAP) chief Arvind Kejriwal will be filling his nomination for the ongoing Lok Sabha polls from Varanasi constituency on Wednesday. The AAP chief has challenged BJP's prime ministerial candidate Narendra Modi, who is also contesting from Vadodara in Gujarat apart from Varanasi. The former Delhi Chief Minister will also take on Congress candidate Ajay Rai.Modi will file his nomination from Varanasi on Thursday. He has already filed his nomination from Vadodara.