After the success of Nammal, she starred as leading man's sister in the 2003 Malayalam film Chronic Bachelor –a story of a man who vowed to be a bachelor forever. On that same year, Bhavana had a special appearance in the film Thilakkam. She played the role of Gauri. After Thilakkam came C.I.D. Moosa where she played the role of Meena. The movie was followed by Ivar, Swapnakoodu, Valathottu Thirinjal Nalamathe Veedu, Parayam, and Chathikkatha Chanthu. By 2004, the beautiful Tamil actress starred in Youth Festival as Parvathy. It was followed by Runway, Amrutham, Bunglavil Outha, Udayananu Tharam, Hridayathi Sookshikkan, and Police.
In the year 2005, Bhavana starred as Sameera in Daivanamathil and won two awards because of the fil. She won the Kerala State Film Award for Second Best Actress and Asianet Award for Best Supporting Actress. The movies Chanthupottu, Naran and Bus Conductor followed. By 2006, Bhavana won a few awards again through her first movie in Tamil. Chithiram Pesuthadi was a success and Bhavana bagged the Filmfare Best Tamil Female Debut Award and Filmfare Best Tamil Actress Award.Yet another successful film, Chinthamani Kolacase was done during that year making Bhavana a rather in demand actress in the South. She played the role of Chinthamani Warrier.
The Tamil film actress starred in many Tamil movies after that and to date, she is filming Jackie to be released this 2010.