Famous as a playback singer in Tamil, Hindi, Malayalam, Kannada, and Telugu films, Mohan received a 2007 Kerala State Film Award for her vocal performance in Nivedyam and a 2012 AsiaNet Film Award for her musical contributions to Novel.
When she was just ten years old, she performed playback tracks for the Tamil film Indira.
By 2014, she had more than 39,000 Twitter followers.
She worked with A.R. Rahman and many other notable cinematic composers.