New Delhi, Dec 02 (ANI): Bollywood playback singer Kumar Sanu on Tuesday joined the BJP in New Delhi. Sanu in the presence of BJP President Amit Shah said that he is a big fan of Prime Minister Narendra Modi because of the work he is doing. Sanu also said that he will concentrate towards working for the welfare of poor and under privileged. He also claimed that he will never contest elections or become a leader.