Bhavatharini made her debut as a singer in Raasaiya. The song was a super hit. From then onwards, she sings in albums composed by her dad and brothers. She had also lent her voice in songs composed by Deva & Sirpy.
She turned music director for the 2002 film Mitr, My Friend, directed by Revathi, starring Shobhana. She then forayed into the Telugu film industry, too, with Avunaa. She has also composed music for Phir Milenge directed by Revathi again starring Shilpa Shetty, Abhishek Bachchan and Salman Khan. In June 2012 she was roped in to score the tunes for Vellachi, a village-based subject.
She is married to an advertising executive R. Sabariraj, son of S.N. Ramachandran a former journalist who went into publishing and started Kannan Advertising. She studied in Rosary Metric school in Chennai where she was a classmate of the famous singer Bhargavi.