He has never worked in the South Indian film industry
Answer
Vivek Oberoi is an Indian film actor and film producer. He predominantly appears in Hindi films, as well as in a few Tamil and Telugu films. He made his acting debut in the 2002 Tamil film "Thamizhan" and his Hindi film debut in the 2003 film "Saathiya".
Vivek Oberoi: Mastering the Reel, Unveiling the Real!