Sonu Nigam (born 30 July 1973 in Faridabad, Haryana, India)is an Indian playback singer whose songs have been featured in numerous Hindi movies, as well as films in Assamese, Punjabi, Bengali, Marathi, Kannada and Telugu language. He has also released numerous Indi-pop albums and acted in a few Hindi feature films. He had changed the spelling of his last name from 'Nigam' to 'Niigaam' in accordance with numerology, but could not get desired results; he returned to the old spelling 'Nigam'.