Seenu Ramasamy revealed that Vijay Sethupathi was signed on to play another lead role and that the film will be based around the hills near Madurai and Thandikodi near Kodaikanal, noting that he engaged in research while filming Thenmerku Paruvakaatru in interior Tamil Nadu, spending a lot of time studying locations near the Kodalangadu village. While Vijay Sethupathi would reportedly play a youth from Chennai, Vishnu would play a villager.

The title being changed to Sontha Ooru while Attakathi Dinesh replaced Vimal in a lead role. In a further turn of events, it was announced that N. Linguswamy would produce the film and Yuvan Shankar Raja would replace N. R. Raghunanthan as composer. The title was also reverted to Idam Porul Yaeval.