If you're specifically looking for movies from a certain region within South India (like Tamil, Telugu, Malayalam, or Kannada films), you might find them on legal platforms. For instance:
Tips for finding South Indian movies legally (numbered) 1filmy4wap south movie
Following the global success of films like Baahubali , KGF , RRR , and Pushpa , South Indian cinema has broken linguistic barriers. A fan in Delhi or Lucknow now craves the latest Rajinikanth or Allu Arjun film as much as a fan in Chennai or Hyderabad. Piracy sites exploit this demand by providing dubbed versions (Hindi, Tamil, Telugu, Malayalam) on a single platform. 1filmy4wap South Movie Review: