Congress leader Digvijay Singh is expected to contest the upcoming General Elections against Bharatiya Janata Party's prime ministerial candidate Narendra Modi in Varanasi, reports said on Wednesday.br Meanwhile, AAP leader Sanjay Singh has also announced that Kejriwal will contest against Modi from Varanasi. Singh said that the formal announcement will be made during March 25 rally scheduled to be held in Varanasi.