Kedarnath Bhattacharya, better known as Kumar Sanu (born 20 October 1957), is a leading Indian playback singer, mostly popular for rendering his voice in Bollywood movies in the 1990s and early 2000. He holds the Guinness Book world record for recording the most songs in a day, 28, in the year 1993. 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’s father, Pashupati Bhattacharya, was a vocalist and composer. He along with Sanu, and Sanu’s elder sister lived in Sinthee area (Dumdum, Kolkata) near Biswanath Park. Sanu’s father Pashupati Bhattacharya was a very famous singer and he trained Sanu as a singer and tabla player. After getting a degree in commerce from Calcutta University, Sanu began performing in 1979, singing at shows and restaurants around Calcutta. He tried to model his singing style after Bollywood singer Kishore Kumar.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.
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.