[1][2] Her only film appearance in the 2001 film Pandavar Bhoomi received critical performance for her acting alongside Ranjith before she gained more popularity as a serial actress in Tamil Nadu.
[3] Originally born as Bhavani, Shamitha first became acquainted with director Cheran when attending the premiers show of his Porkkaalam (1997), in which Shamitha's sister Rajeswari had played a pivotal role.
[4] He subsequently cast her in his next film with Prashanth titled Vinnodum Mugilodum under the stagename of Shivani, and as a result, she quit her psychology degree in 2000 and prepared herself for an acting career.
[5] The film did not materialise, and thus she changed her stagename to Shamitha and was cast as the lead actress by Cheran in his village drama Pandavar Bhoomi (2001).
After playing protagonists in her previous serials, she went onto play a villainous role in the television soap opera Mouna Ragam, which was telecast through Star Vijay Television until 2020.