Kedarnath Bhattacharaya (born 20 October 1957), better known as Kumar Sanu, is a leading bollywood Indian playback singer who is famous for singing thousands of bollywood songs.
Sanu’s father, Pashupati Bhattacharya, was a vocalist and composer. The two and Sanu’s elder sister lived in the Sinthee area of Calcutta (now Kolkata) near Biswanath Park
He started his playback career, as Sanu Bhattacharya. In 1986, he got Bangladeshi film Tin Kanya,directed by Shibli Sadiq. Sanu had his first major Bollywood song in Hero Hiralal (1989).
In 1989, Jagjit Singh introduced Kumar Sanu to Kalyanji-Anandji in Mumbai. On their suggestion, he changed his name from “Kedarnath Bhattacharya” to “Kumar Sanu” because his voice and singing style were much influenced by Kishore Kumar. Sanu then relocated to Mumbai, where Kalyanji-Anandji gave him a 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 won 5 back to back Filmfare awards for singing, between 1990 and 1994.