New York, Sept 27 (ANI): Prime Minister Narendra Modi met the Mayor of New York City Bill de Blasio on the first day of his visit to the United States. Modi also met Professor Harold Varmus, director of the United States of America's National Cancer Institute. The Prime Minister arrived in New York on Friday. Modi will pay tributes at the 9/11 memorial and museum on Saturday and then meet United Nations Secretary General Ban Ki Moon at the UN Headquarters. Prime Minister Modi will address the 69th session of United Nations General Assembly (UNGA) today. Prime Minister Modi earlier greeted his well-wishers and supporters outside the New York Palace Hotel, where he will be staying for the next three days.