Then it passes through the the towns of Kanpur , Soron , Kannauj , Allahabad , Varanasi , Patna , Ghazipur , Bhagalpur , Mirzapur , Ballia , Buxar , Saidpur , and Chunar . On its way it passes the towns of Kanpur , Soron , Kannauj , Allahabad , Varanasi , Patna , Ghazipur , Bhagalpur , Mirzapur , Ballia , Buxar , Saidpur , and Chunar .