dit Narayan is one of the most popular singers of the Hindi film industry. This multi talented playback singer has sung in numerous films and in many different languages. This great singer was born in a small village named Bharadah in Nepal. His initial years were full of struggles and he started off his career with a brief stint with the Nepal Radio. He used to sing Maithili, Nepali and Bhojpuri songs during the 1970's. By the end of the 70's he moved to Bombay to pursue music under scholarship. He received training in Indian classical music for six years in Bhartiya Vidya Bhavan. Check out his life history with this short biography on Udit Narayanan.
In the year 1980, he got his break to sing in a Hindi film when music director Rajesh Roshan offered him to sing in the movie Unees Bees. It was big thing for Udit, as he got an opportunity to sing with his mentor, the great Mohammed Rafi. He was noticed but his real big break came in the year 1988. He sang a very famous song "Papa Kehte Hain" from the movie Qayamat Se Qayamat Tak, which went on to become that year's biggest hit. This song gave him instant stardom and he went on to bag his first Filmfare award.
Source: http://www.culturalindia.net/indian-music/indian-singers/udit-narayan.html