Oru Nalla Naal Paathu Solren (transl. I'll let you know on an auspicious day) is a 2018 Indian Tamil-language black comedy film, written and directed by P. Arumuga Kumar. The film stars Vijay Sethupathi, Gautham Karthik, Gayathrie and Niharika Konidela. Viji Chandrasekhar, Ramesh Thilak, Daniel Annie Pope, and Rajkumar play supporting roles. The music was composed by Justin Prabhakaran with editing by R. Govindaraj and cinematography by Sree Saravanan. Production began in February 2017, and the film released on 2 February 2018, to unfavourable reviews.