En Thangachi Padichava (transl. My younger sister is literate) is a 1988 Indian Tamil-language drama film directed by P. Vasu. The film stars Prabhu, Rupini and Chithra. The film, produced by Mohan Natarajan and Tharangai V. Shanmugam, had musical score by Gangai Amaran and was released on 15 July 1988. The film completed a 100-day run at the box-office. It was remade in Telugu as Muddula Mavayya (1989), in Hindi as Aaj Ka Arjun (1990), and in Kannada as Ravimama (1999).