Chauhan began to sing at age four and was discovered by a local TV anchor. She became famous in the TV - Meri Awaz Suno singing competition which she won. So she came to her first occurs as a playback singer for the Hindi film Shastra. Her breakthrough came in the film Mast by Ram Gopal Varma.
- IIFA as the best playback singer 2005 for " Dhoom Machale " from the movie Dhoom! - The hunt begins
- 2007 "Crazy Kiya Re " from the movie Dhoom - Back in Action
- Filmfare Awards for Best Playback Singer 2007 for " Beedi " in the film Omkara