For a long time, Arunachalam was not available on legitimate OTT platforms (it eventually landed on platforms like Sun NXT and YouTube Movies, but late). During that gap, from roughly 2012 to 2018, if you wanted to show your North Indian friend or your child what "Tamil family comedy" looked like, the only reliable source was Moviesda.
Vaappa kidnaps three children from Anbu Illam. His message: "Let the orphanage be demolished, or never see them again." arunachalam moviesda
If you're interested in a legitimate movie-related feature, here are some alternatives: For a long time, Arunachalam was not available