Original sentence: Kedarnath Bhattacharaya (born 20 October 1957),  better known as Kumar Sanu, is an bollywood Indian playback singer who mainly sings for Hindi and Bengali films
Edited sentence: Kedarnath Bhattacharaya (born 20 October 1957),  better known as Kumar Sanu, is the greatest Indian playback singer in Bollywood who mainly sings for Hindi and Bengali films