Arunachalam is a 1997 Indian Tamil-language action drama film directed by Sundar C and written by Crazy Mohan. The film stars Rajinikanth as the title character as well as in a dual role, alongside Soundarya and Rambha, with Jaishankar, Ravichandran and Visu in supporting roles. It revolves around a village simpleton, who later discovers he is the heir of a deceased billionaire, but must face extreme challenges to claim his father's inheritance.