Nakul is a Tamil film actor and playback singer. Brother of former film actress Devayani, he debuted as a lead actor in the 2003 film Boys directed by S. Shankar, in which he also sang his first song in the film's soundtrack album. Nakul was 18 when he was chosen for the part of Juju in Shankar's coming-of-age film Boys (2003). He struggled to get a breakthrough as an actor and during the period, he worked as a playback singer in films, notably recording for Harris Jayaraj in his albums for Anniyan, Ghajini and Vettaiyaadu Vilaiyaadu. He signed on to feature in Prasad's Kadhalil Vizhunthen, his first film as a lead actor, in 2006 and lost close to 20 kilograms in order to fit into the role of his character. The film gained unexpected publicity after "Nakka Mukka", a song composed by Vijay Antony for the soundtrack, became a big success. The film released in 2008 and became a commercial hit. His next venture, Maasilamani (2009) opposite Sunaina again, with the film becoming a surprise box office success. Prithvi Rajkumar's thriller drama film Naan Rajavaga Pogiren released in 2013 to mixed reviews. In 2015 his Tamizhuku En Ondrai Azhuthavum released which turned to be a blockbuster in his career.