Nenjil Thunivirundhal (transl. If You Dare) is a 2017 Indian action drama film written and directed by Suseenthiran. It is shot simultaneously in Tamil and Telugu languages, the latter titled C/O Surya. The film stars Sundeep Kishan, Mehreen Pirzada, Vikranth, and Shathiga with Soori, Satya , and Harish Uthaman also in pivotal roles. Featuring music composed by D. Imman, the venture began production in December 2016 and was released on 10 November 2017. The film is dubbed into Hindi as C/o Surya in 2018.