Tamannaah was born to Santhosh Bhatia and Rajani Bhatia on 21 December 1989. She started acting at the age of 13. Currently, she is first year student at National College in Bandra. She has a brother, Anand Bhatia.
Tamannaah has done many ads in Tamil for big companies such as Shakti Masala, Saravana Stores and RMKV. She also did few a music albums before she entered the film industry. She stars in the commercial of Sun Direct. She changed her name recently as Tamannaah Bhatia (old name Tamanna Bhatia).