Kedarnath Bhattacharya, better known as Kumar Sanu (born 20 October 1957), is a leading Indian singer. Kumar Sanu is one of the most popular playback singers of Bollywood. He holds the Guinness Book world record for recording the maximum number of songs in a day, which are 28, in the year 1993. He is noted for his contributions as a playback singer in Bollywood. He was awarded the Filmfare Best Male Playback Singer Award for five consecutive years. In 2009, the Government of India awarded him Padma Shri, India's fourth highest civilian honour, in recognition of his achievements.
Kumar Sanu started his playback career in 1986 with a Bangladeshi film Tin Kanya,which was directed by Shibli Sadiq.
In 1987, music director and singer Jagjit Singh offered Sanu the chance to sing in the Hindi film Aandhiyan movie released in 1990. In 1989, Jagjit Singh introduced Kumar Sanu to Kalyanji Anandji at their residence Vimal Bunglows in Mumbai. On their suggestion, Kumar Sanu got his name changed from Kedarnath Bhattacharya to Kumar Sanu, because his voice and singing style was much influenced by Kishore Kumar. Anandji shared this story in the Show Jeena Isi Ka Naam Hai hosted by Farooq Sheikh. Sanu then relocated to Mumbai, where Kalyanji-Anandji gave him chance to sing in the film Jaadugar.
Sanu went on to work with composers including Naushad, Ravindra Jain, Hridayanath Mangeshkar, Pt. R K Razdan, Kalyanji Anandji and Usha Khanna.
For the 1990 film Aashiqui, music directors Nadeem-Shravan got Sanu to sing all but one of the songs. He won the first of his record five consecutive Filmfare Awards as Best Male Playback Singer. His next Filmfare Awards came for songs in the movies Saajan (1991), Deewana (1992), Baazigar (1993), and 1942: A Love Story (1994). He then went on to create a world record Guinness Book World Record by recording 28 Playback Songs in one day.