Thulluvadho Ilamai is a 2002 Indian Tamil-language teen drama film written by Selvaraghavan, with direction credited to his father Kasthuri Raja. The film marks the acting debut of Selvaraghavan's brother Dhanush, who plays the lead role. The film also features newcomers Abhinay, Sherin, Ramesh, Shilpa and Gangeshwari in major roles, and features prominent film personalities Vijayakumar, Ramesh Khanna, and Pyramid Natarajan playing supporting roles.

Selvaraghavan is an Indian film director, screenwriter and actor who has directed and acted predominantly Tamil films. He had his directorial debut with Thulluvadho Ilamai (2002) but his father is credited for business reasons, which stars his brother Dhanush K. Raja, Selvaraghavan went on to make a series of romantic drama films with Kadhal Kondein (2003) and 7G Rainbow Colony (2004) before also venturing into coming-of-age films Pudhupettai (2006) and Mayakkam Enna (2011), both starring Dhanush. He has also ventured into making science fiction and fantasy films, such as depicting a fantasy Chola kingdom in Aayirathil Oruvan (2010) and a parallel universe in Irandam Ulagam (2013). He has been critically acclaimed for his directorial skills.