Born on October 20, 1981, in Chennai, Tamil Nadu, Kuyili's real name is S. N. Deepa. She began her career in the entertainment industry as a model and appeared in several television commercials. Her breakthrough came when she was cast in the Tamil film "Pallu Padama Paathuka" (2014), which marked her entry into the film industry. With her stunning looks and natural acting talent, Kuyili quickly gained attention from both critics and audiences.