Karthika Nair was born 27 June 1992, is an Indian actress in the South Indian film industry. She debuted in the 2009 Telugu film Josh, alongside .She became famous in her second film and her first successful Tamil film. She found other successes in the Malayalam film Kammath & Kammath. She is well known for her acting roles in the comedy Brother of Bommali, the social drama Purampokku Engira Podhuvudamai and the epic television series Aarambh. She is known for her selective films and her varied and well-written roles.
Karthika was born in Radha, a former Indian actress, and is the niece of actress Ambika. She has two brothers and sisters, a brother and a sister, Thulasi Nair, who is also an actress from South India. She was educated at Podar International School in Mumbai and graduated with an international business degree from the University of London School of Economics.