Gauahar started her career as a model and was Miss India international 2002. She was widely appreciated for her variety of dance acts in the dance reality show Jhalak Dhikhlaja. Gauahar and her sister were featured in a reality show 'Khan sisters' on UTV bindass which followed her life as a celebrity. She has completed her first Solo lead heroine film opposite Rajeev Khandelwal titled 'Fever', the film is scheduled to release around Jan 2014.
Known for her dance numbers 'Jhalla' and 'Chokra Jawaan' in Ishaqzadde and 'Parda Parda' from Once Upon a time in Mumbai. Also featured in bollywood movie 'Rocket Singh: Salesman of the Year' opposite Ranbir Kapoor.