Consider the following statements regarding the Vijaynagar empire –1.It was named after the city of Vijayanagar2.Krishnadeva Raya was the greatest of all the Vijayanagar rulers.3.Kings of Vijaynagar ruled on behalf of Shaivite deity Virupaksha4.Vijaynagar empire successfully resisted the march of the Delhi sultans to the South.Which of these statements are correct